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Posted June 29, 2021, by Anonymous

Unnamed Dude Ryan:

The actual bridge was removed in 1949--only the piers and abutments are under water. The link is dead but was part of:

Posted June 29, 2021, by Unnamed Dude (ryanmertz06 [at] gmail [dot] com)

My grandpa used to tell stories about an old bridge that was sunk under the water, but he had forgotten the location. I found this site, thx for the location! However the link is broken :(. Do you have a fixed link or anything?

Thank you!

Posted June 18, 2021, by Chester Gehman (gehmanc2000 [at] yahoo [dot] com)


Pine Creek Park Bridge was definitely a Keystone Bridge. I only referred to it to illustrate that Keystone was a presence in Connecticut at that time. I still believe the evidence is on the side of Keystone being the fabricator of the Riverside Avenue Bridge. We can all agree more research is needed.

Posted June 18, 2021, by Nathan Holth (webmaster [at] historicbridges [dot] org)

Was the builder in question on this one? This bridge has patented Keystone Columns so I don't think there is a mystery here.

Posted June 18, 2021, by Art S. (Asuckewer [at] knite [dot] com)


There is no question that this one is Keystone Bridge Co. I have a picture of it in its original location.


Art S.

Posted June 18, 2021, by Art Suckewer (Asuckewer [at] knite [dot] com)


It's a self perpetuating error.

To the best of my knowledge, Keystone never worked with Lowthorp and the bridge conforms to Lowthorp's patent, not Linville's. Luke's reference loosely sites the builders. The NJ fabricator is likely NJ Iron & Steel:


Art S.

Posted June 18, 2021, by Chester Gehman (gehmanc2000 [at] yahoo [dot] com)

I came across the earlier discussion concerning the fabricator of the Riverside Avenue bridge and my two-cents worth is this:

"Connecticut-An Inventory of Historic Engineering Sites" (SIA, 1981) and "Connecticut's Historic Highway Bridges" (CT DOT, 1991) both state that the Keystone Bridge Company was the fabricator. The Birmingham Iron Foundry would have supplied tha cast-iron compression members, and the wrought-iron tension mambers came from Trenton. Keystone also built what is now the Pine Creek Park Bridge the following year. The Berlin Iron Bridge Co. did not start building bridges until 1879, so it was not a contender. If Keystone was not the builder, then the error has been repeated down through the years.

Posted June 15, 2021, by Geoff Hubbs (geoffrey [dot] hubbs [at] att [dot] net)

From CDOT:

ANTICIPATED CONSTRUCTION START: Fall 2021 - pending permit approval.


Posted June 7, 2021, by Douglas Butler

Is this bridge is still planned to be constructed or this one was never built?

Posted May 14, 2021, by Donald Passardi (Dppassardi [at] gmail [dot] com)

It is a shame more stones fell off facia into river since photos last taken.

Posted May 12, 2021, by John Kimball (johnraymondkimball [at] gmail [dot] com)

Bridge improvements to commence on the CDOT Route 15 Safety Improvements, Resurfacing, Enhancements, & Bridge Improvements project #0102-0368 beginning in May of 2021.

Posted May 9, 2021, by Chester Gehman (gehmanc2000 [at] yahoo [dot] com)


I renamed this bridge and relocated it as well. It is on the approach to the Windsor Locks-Warehouse Point bridge over the Connecticut River. Your photo #2 is an abandoned swing footbridge slightly upstream on the canal.



Posted May 3, 2021, by Nathan Holth (webmaster [at] historicbridges [dot] org)

Bridge to be replaced with trusses added as decorative elements.

Posted April 29, 2021, by Charles Dunn (nhtowertalk [at] hotmail [dot] com)

This was a railroad bridge installed by the American Brass Company to allow access for their railroad siding to their power plant across the Naugatuck River from their main plant. It was built as wide as it was to accommodate the sharp curve of the track. The bridge was installed between 1909 and 1924. Good aerial photos from 1934 and 1965 can be found on the State of Connecticut's State Library website at

Posted April 29, 2021, by Nathan Holth (webmaster [at] historicbridges [dot] org)

I deleted the other page as this appears to be the primary listing.

Posted April 29, 2021, by Mr. Anon

Duplicate entry w/BH 62031

Posted April 28, 2021, by K Smith (ksmith4228 [at] gmail [dot] com)

I grew up swimming in the river that flowed under this Viaduct. We would jump off the Concrete structure, but around 2013 they filled the pond in with cement.. No one ever told us there was a 19th century bridge there. We all assumed it was just a giant mound of sand. The expanse is mind boggling and it took a LONG time to get down to the bottom of that hill.

Frog Bridge (Connecticut)
Posted April 26, 2021, by Chester Gehman (gehmanc2000 [at] yahoo [dot] com)

The frogs are following CDC guidelines by wearing their masks.

Posted February 10, 2021, by Art Suckewer (Asuckewer [at] knite [dot] com)

Another bridge of the same design:

Posted February 10, 2021, by Tony Dillon (spansaver [at] hotmail [dot] com)

It's definitely a bowstring pony! And it likely does date from the 1850's-60's. A real beauty!

Posted February 10, 2021, by Art S. (Asuckewer [at] knite [dot] com)

Also, my guess is its from the 1850s.

Posted February 10, 2021, by Art S. (Asuckewer [at] knite [dot] com)


The pedestrian bridge is nice but that bowstring is spectacular!!! (I don't think its a Parker because the upper chord is a continuous arc.

However, more importantly, it's a non-Whipple based, segmented, CAST IRON bowstring. Absolutely amazing!


Art S.

Posted November 15, 2020, by Thomas Ebersold (bikehikekayak123 [at] sbcglobal [dot] net)

The description can be updated because the section between Cornwall Avenue to Routes 68/70 in Cheshire opened on Sept. 9, 2018. The abutments can be clearly seen from the trail.

Posted November 10, 2020, by Tony Dillon (spansaver [at] hotmail [dot] com)

Has to make you wonder if much of that bracing was added later in an attempt to stiffen the trusses.

Posted November 10, 2020, by Tony Dillon (spansaver [at] hotmail [dot] com)

But then again... you never know! lol

Posted November 10, 2020, by Tony Dillon (spansaver [at] hotmail [dot] com)

I'm going in a different direction as I'm not seeing an ellipse here, but essentially a large diamond (with all kinds of crazy bracings) within a vertical endpost through truss. I think the ends may well be entirely cast... perhaps the whole bridge. I've not seen anything like it and would not be surprised if it's at least 1860's.

Posted November 10, 2020, by Art S. (asuckewer [at] knite [dot] com)
Posted November 10, 2020, by Art S. (asuckewer [at] knite [dot] com)


My first guess is that it is a very early (first?) form of a lenticular through truss by Corrugated Metal Co. (predecessors to the Berlin Iron Bridge Co.). Putting its build date at of before 1877.

I have some other guesses but I'm quite certain my first is correct.


Art S.

Posted November 10, 2020, by Tony Dillon (spansaver [at] hotmail [dot] com)

Very bizarre and unusual! I wouldn't be surprised if this one didn't date into the 1850's. It puts me in mind of a precursor to a K-Truss.

Posted November 10, 2020, by Chester Gehman (gehmanc2000 [at] yahoo [dot] com)

Rather unusual truss configuration. Any guess on truss type and builder?

Posted November 1, 2020, by Herman (hunterwarrenstrickland [at] gmail [dot] com)

Who ever built this bridge knew what was up, hes da man

Posted October 27, 2020, by DRussell (evildog46 [at] yahoo [dot] com)

Before they removed the dam that was just down river, this bridge was often jumped off of by local teens. Locally called, “The Trestle”. As in, “Let’s meet at “the trestle” and we’ll jump into the water.”

Posted September 11, 2020, by Chester Gehman (gehmanc2000 [at] yahoo [dot] com)

Not sure of source of "Red Car Bridge." Nimke (The Central New England Railway Story" refers to it as Red Stone Bridge.

Posted September 7, 2020, by Charles Dunn (NHTowerTalk [at] hotmail [dot] com)

The Mine Brook arch was built in 1898 when the New York, New Haven and Hartford railroad decided to fill in the wrought iron Cobalt Viaduct, originally built in 1873. The arch had to be built to allow Mine Brook to pass under the filled in viaduct. The project took most of 1898 to complete. The Cobalt Viaduct was the first, and smallest, of three iron viaducts on the Airline to be filled in. The much larger Rapallo and Lyman viaducts, a few miles further east, would be filled in in 1912/1913. Like the Rapallo and Lyman viaducts, the Cobalt Viaduct is still there, buried under tons of sand and cinders.

Posted September 6, 2020, by Chester Gehman (gehmanc2000 [at] yahoo [dot] com)

The summer of 2020 has been a dry one, and predictably, the Harvey Mountain Road Bridge has made another appearance, albeit a partial one.

Posted August 18, 2020, by R J Barth (etcltd [at] ntplx [dot] net)


Just to let you know that this bridge is presently closed for replacement due to the damage shown in the your picture. I live next to it. I have attached a photo of the bridge as it is today.

Nice site

Thanks, R J Barth

Posted July 24, 2020, by Michael m Grant (mgrant0606 [at] aol [dot] com)

Grew up right next to this bridge. Fished off of it alot. Before it was a tar roadway it was steel waffle and very slippery when wet. lots of accidents on sunday with people leaving peoples forest...

Posted June 26, 2020, by Tom Ebersold (bikehikekayak123 [at] sbcglobal [dot] net)

The bridge was again renovated in 2017:

Preston Bridge (Connecticut)
Posted June 9, 2020, by Robert Quercia (Rquercia [at] aol [dot] com)

The Preston bridge shown on this post replaced the covered Preston Bridge built in 1717. It was built in 1870 and it was not replaced to my knowledge.

Posted May 25, 2020, by Ian Martin

Thanks Luke, it's good to be back!

Posted May 25, 2020, by Luke

Good to see you posting again, Ian!

Posted May 22, 2020, by Chester Gehman (gehmanc2000 [at] yahoo [dot] com)

You are right, Ian. That new photo shows it clearly.

Posted May 22, 2020, by Ian Martin

I'm fairly certain it's the Rockfall bridge - the arch in the southern abutment was what clued me in to the location. It's in the shadows in the left edge of the NERail picture, but here's a better shot showing it more clearly:

Posted May 22, 2020, by Chester Gehman (gehmanc2000 [at] yahoo [dot] com)

I am doubtful that this bridge was located at Rockfall.

While it is a NHM&W RR bridge, the two photos (likely taken

at the same time) show a roadway arch as part of the stone

abutment. While I have not visited the site personally, the

photo on the NERAIL Photo Archive website shows no such

arch. (Link provided on successor page BH 61947 Rockfall

High Bridge.) In addition, no roadway is evident on the TOPO

map for 1893 or Google Earth. Presumably the bridge location

is in the Middletown area, since the photographer (Bundy)

had his studio there, but for me the location of this bridge

is still a mystery.

Posted April 20, 2020, by Chester Gehman (gehmanc2000 [at] yahoo [dot] com)


Here is some information that may answer some of your questions. The original bridge consisted of three 90 foot fixed deck truss, double-track spans and one deck truss draw span.The foundations of the old piers were used but the masonry was taken down and replaced with piers wide enough for four tracks. (This information is from the Nomination Form of 1977)

"This bridge was unique because it was originally powered by two diesel engines rather than electric motors. The engines, which had fluid torque-converter transmissions were located at track level inside the operator's house just east of the movable span. Power was transmitted from the operator's house to the movable spans by means of shafts and gears, with the final operating effect carried out by a pinion, mounted to the moving span, that engaged a fixed rack." (Connecticut DOT 2004) The gears and shafts in the photo are likely remnants of the old arrangement, left there from the 1990 rebuild when electric motors were installed.

Posted April 20, 2020, by IAN A ALEXANDER (ianelectro [at] usa [dot] com)

I know this bridge was built in 1905... but it REPLACED another drawbridge and I cant find ANYTHING about the previous bridge. I know it existed because it is mentioned in harbor improvement reports from the 1890s. Also, some of the gears from the works of the previous bridge are still sitting there on the ground at the East end of the current bridge. Any ideas?

Posted April 5, 2020, by Art S. (asuckewer [at] knite [dot] com)


Standard ASSHTO requirements silliness...

However, I think you are looking at this incorrectly. No restoration took place. The preservation aspect is that the original structure was ignored and not interfered with in the opening of the crossing for pedestrian use. Compared with demolition, which was likely considered, this is a relatively benign outcome. Someday, if idiot-proofing to present levels isn't required, the bridge can be restored.


Art S.

Posted April 5, 2020, by Clark Vance (cvance [at] dogmail [dot] com)
Posted April 5, 2020, by Chester Gehman (gehmanc2000 [at] yahoo [dot] com)

Acting on Mr. Cunningham's lead, we visited this site recently.I don't like to be critical when it comes to attempts to preserve historic bridges, but this job is pathetic. The bridge and its trusses are totally non-functional; the I-beams rest on abutments several inches above the originals (I know, trail bridges need to be able to support EMT vehicles, but they could be less obtrusive.) And a good paint job is needed. What a shame.

Posted April 4, 2020, by Matthew G Cunningham (Mgccunning [at] aol [dot] com)

It looks like this has been replaced with a new walking bridge.

Posted April 4, 2020, by Lorraine Czajkowski (leczaj [at] att [dot] net)

Where is the schedule for the bridge building breaks. I have to be at Backus at 10:30am each day for radiation. Any help around?

Posted March 24, 2020, by Art S. (asuckewer [at] knite [dot] com)

Nice find Chester! The previous bridge was definitely a Pratt through truss.

I've updated the build date based on your findings. Hopefully, you, or someone else here, will create an entry for the prior bridge to properly display your findings and images.


Art S.

Posted March 24, 2020, by Chester Gehman (gehmanc2000 [at] yahoo [dot] com)

I have been unable to find any contemporary photographs of this bridge. Colebrook Town Records indicate that on a meeting Oct. 29,1938, it was voted "to replace or reconstruct" "the iron bridge across the West Branch of the Farmington at the center of the village of Colebrook River." On May 22, 1939 at a special meeting the estimate for the bridge was "$6,000 for superstructure and plates". It seems the original bridge was damaged or washed out in the flood of September 21, 1938. This indicates that the present bridge was built probably in 1939. While the Berlin Construction not specifically mentioned, they would have been a logical choice for a builder.

The attached photos are of the prior bridge, definitely a through truss and possibly Pratt in design. The distant photo was taken by Una Clingan Rands, a woman photographer who took many glass plate photographs in the Colebrook area. The view is from 1923. The postcard picture, from 1907, also shows the cotton mill located on the west bank slightly upstream of the bridge.

Posted March 23, 2020, by Chester Gehman (gehmanc2000 [at] yahoo [dot] com)

Apparently "metal arch" in Conn DOT parlance means "metal culvert", as in this case as well as others.

Mill Bridge (Connecticut)
Posted March 19, 2020, by Tony Dillon (spansaver [at] hotmail [dot] com)

Neat story... Glad they decided to save it!

Posted March 10, 2020, by Anonymous

Rail cars crossed the bridge and parked adjacent to runway in 2019

Mill Brook Bridge (Connecticut)
Posted March 1, 2020, by Chester Gehman (gehmanc2000 [at] yahoo [dot] com)

While seriously damaged, the bridge still exists--barely. The arch facing Lower Blissville Road is complete. The deck is gone, as well as the other arch.

Posted February 24, 2020, by Douglas Butler

Granted. I see it i thought that was the truss at the front!

Posted February 24, 2020, by Luke

Re-read Chester's description, and look REALLY close at the deck truss to the right of the covered bridge, which is clearly mounted above a pit. A pit which I guarantee you held the movable bits.

Posted February 24, 2020, by Douglas Butler

This bridge is not a swing bridge, swing bridges have center and rim bearings it just look fixed!!!!!

Posted February 23, 2020, by Chester Gehman (gehmanc2000 [at] yahoo [dot] com)


Thank you for posting that fine stereopticon of the layout at Norwich. Photos of that setup are few indeed. Attached is a sketch of how the operation was accomplished. I lifted this from Elmer F. Farnhams book "The Quickest Route" published by Pequot Press (1973).


Posted February 23, 2020, by Art S. (asuckewer [at] knite [dot] com)

Thanks Chester!

Posted February 22, 2020, by Art S. (asuckewer [at] knite [dot] com)

Whipple by Whipple :^)

Posted February 2, 2020, by Chester Gehman (gehmanc2000 [at] yahoo [dot] com)

Passed by on River Road today--restoration has begun. The bridge has been disassembled; parts that can be re-used will be refurbished; parts that cannot will be replaced with steel copies, and the whole thing is scheduled to take 18 months.

Arrigoni Bridge (Connecticut)
Posted November 21, 2019, by Chester Gehman (gehmanc2000 [at] yahoo [dot] com)

According to the book "Connecticut's Historic Highway Bridges" published by Connecticut DOT, the Arrigoni Bridge was named for the legislator who promoted the project, and was designed by Leslie G. Summer of the State Highway Department and William G. Grove of the American Bridge Company. The New York firm of Robinson and Steinman served as consulting engineers. Bethlehem Steel Company was the actual fabricator. The only relationship between American Bridge Company and the Arrigoni Bridge appears to be through Mr. Grove himself.

Arrigoni Bridge (Connecticut)
Posted November 21, 2019, by Nathan Holth (webmaster [at] historicbridges [dot] org)

I am not sure but I think the confusion might be because Grove changed jobs often. I find references to Grove being with American Bridge but they predate this bridge. Later, after the Arrigoni Bridge was built it seems Grove became an employee of the Connecticut State Highway Department. Any input or corrections to my findings are welcome.

Posted November 21, 2019, by Nathan Holth (webmaster [at] historicbridges [dot] org)

HAER Data Pages Attached

Arrigoni Bridge (Connecticut)
Posted November 21, 2019, by Nathan Holth (webmaster [at] historicbridges [dot] org)

Can anyone explain why American Bridge is listed for this bridge, and why William G. Grove is listed as an engineer for the American Bridge Company?

The plaque on this bridge states that the superstructure contractor was Bethlehem Steel Company and the following news article states that William G. Grove worked for Robinson and Steinman... which to me makes more sense because Robinson and Steinman is not named on the plaque, and I was trying to figure out how Robinson and Steinman had a role in designing the bridge and if the below article is correct, Grove is the connection to the company. Its weird that Grove is named on the plaque rather than the firm he worked for.

Posted November 6, 2019, by Nicholas (nsr [dot] ny [at] icloud [dot] com)

The newer of the two tunnels (concrete lined) at this location has been filled in or caved in as of my visit on 11/5/19. the cut was too steep to scramble down with my camera bag on so I walked along the most recent train tracks (highest cut, no tunnel) to try to find the opening to get to the other side of the tunnel and walked off to the side to find it. I found the location based on photos i've seen and i didn't realize that I was on top of where the tunnel should be exposed until I was at the top. I recommend staying away from the west side (caved in) because im not sure of what you are standing on.

Posted November 4, 2019, by H McKee (keywsun [at] gmail [dot] com)

The structural steel and decking were replaced but the original ornamental iron work was saved and restored.

Posted August 27, 2019, by Nathan Holth (webmaster [at] historicbridges [dot] org)

I have discovered that this bridge was not rehabilitated in 1984. It was DEMOLISHED AND REPLACED with a BOLTED bridge with similar design details. 100% all-new steel on the bridge, and even the plaques overhead read 1984. While the bridge might have some marginal interpretive value, it is NOT HISTORIC.

Arrigoni Bridge (Connecticut)
Posted July 23, 2019, by Nathan Holth (webmaster [at] historicbridges [dot] org)

Although not the focus of this article, read thru it and you will learn that this bridge (which currently has unaltered original railing) is going to be visually ruined by the addition of 8 foot high fencing.

Posted June 17, 2019, by David (d [dot] carusellojr [at] att [dot] net)

A small correction. The rr trestle was taken down long after the flood dam was constructed. We use to walk over the wooden trestle which was filled in as you reported. It was covered in dark black coal cinders. It was something to be ninety feet up. Someone suggested that the Georgia pine timbers were rotting underneath. I know we were there into the seventies. Lowering came later. The whole area was ruined with the new dam.

Posted May 30, 2019, by Nathan Holth (webmaster [at] historicbridges [dot] org)

This article suggests that instead of demolition, this bridge might be repaired instead, starting late 2019.

Posted May 22, 2019, by Abolhassan Astaneh-Asl (astaneh [at] berkeley [dot] edu)

I appreciate the efforts of to bring such valuable information about bridges to public, engineers, as well as researchers.

For Stratford Avenue Bridge, I was very surprised to see that the bridge built in 1975, after 25 years under service, in 2000 its superstructure and substructure rating was "Poor, 4/9". I wished there was more information on why the bridge became Poor so fast?

I am sure it is in the Routine Inspection Report.

Again, thank you so much for your time and efforts and best wishes.

Stevenson Dam (Connecticut)
Posted May 5, 2019, by ............for info
Stevenson Dam (Connecticut)
Posted May 5, 2019, by George Oakley (Georgeoakley49 [at] yahoo [dot] com)

Is that a hydroelectric plant I see at the dam?

Posted May 1, 2019, by Tony Dillon (spansaver [at] hotmail [dot] com)

Likely a smaller regional builder, possibly as early as the 1860's. Not feeling CBW on this one.

Posted April 30, 2019, by Art S. (asuckewer [at] knite [dot] com)

I'm trying to figure this one out. It has a lot of characteristics of a CBW but there are enough differences to make me doubt it. Anyone have any thoughts on a maker?


Art S.

Mill Brook Bridge (Connecticut)
Posted March 6, 2019, by L. W. (BLJWashington [at] gmail [dot] com)

In the Google Street View dtd 9/2013, the stone arch is present just north of the road. Either someone is trying to rebuild it, or remnants of the bridge still remain.

Posted October 30, 2018, by kathy chiappetta (kathygc [at] ntplx [dot] net)

Fabulous pictures. Great bridge. Does anyone know about when a train goes over the bridge? Thank you.

Posted July 4, 2018, by Ed Stannard (edsjr72 [at] gmail [dot] com)

The location of the bridge is listed as East Haven, probably because that’s what the link says. But the bridge actually connects the Fair Haven and Fair Haven Heights neighborhoods of New Haven. It is not in East Haven at all.

Posted June 17, 2018, by Chester Gehman (gehmanc2000 [at] yahoo [dot] com)

Take the roof off the hothouse, mother--the corn is growing tall tonight!

Posted June 17, 2018, by Luke

I wonder what Col Tupper's wares were like. :')

Posted June 11, 2018, by Tom M. (qwertytam [at] hotmail [dot] com)

Hi, this bridge was renamed the 'Bataan Corregidor Memorial Bridge' in honor of World War II servicemen who fought in the Battle of Bataan and the Battle of Corregidor on Saturday, December 7 2013. ref:

Posted May 21, 2018, by Art Suckewer (asuckewer [at] knite [dot] com)


The two obvious choices are Cooper-Hewitt (Trenton Iron Co.) and John A. Roebling and Sons.

The dark horse is Corwin Iron Works out of Lambertville (just up the river) as he regularly worked with Lowthrop.

Trenton Locomotive and Machine Works, maker of the Hamden road Fink, is a possibility but I suspect they were just a division of Cooper-Hewitt.

These are just my initial thoughts. If time permits, I'll do some research.


Art S.

Posted May 21, 2018, by Chester Gehman (gehmanc2000 [at] yahoo [dot] com)

A likely candidate would be the Birmingham Iron Foundry of Birmingham (now Derby) CT

Posted May 21, 2018, by Luke

Art, according to

a company from Birmingham CT made the frame and a company from Trenton NJ made the tension rods.

Any guesses?

Posted May 21, 2018, by Luke

Image is of the Riverside Avenue Bridge

Posted February 23, 2018, by Luke

Nice find, Chester!

Posted February 16, 2018, by Alyssa Wolven (alyssawolven [at] cox [dot] net)

Wow, we miss you Ron Barnes! I just stumbled across this, saw your name. It's a shame that when you are were around I didn't know you were into trains also and possibly abandoned infrastructure also. If anyone else that knows me or (the now deceased) Ronald, and/or simply wants to walk the entire former Waterberry Meriden Connecticut River Line in an upcoming summer, HMU at my first & last name no spaces at . I'll fly out from San Diego as I do many late summers. Ciao

Posted February 2, 2018, by In regards to Ground Hog

Manchester Mel! Early Spring

Posted January 29, 2018, by Alyssa (alyssawolven [at] cox [dot] net)

This website here talks about a bridge in Rusk Texas that is 546 ft long and they claim it's the longest Footbridge in the United States. Wrong!

Posted January 29, 2018, by Alyssa (alyssawolven [at] cox [dot] net)

This website here talks about a bridge in Rusk Texas that is 546 ft long and they claim it's the longest Footbridge in the United States.

Posted January 24, 2018, by Chester Gehman (gehmanc2000 [at] yahoo [dot] com)

If this is a Truesdell patant bridge--and I have no reason to doubt it--then it was most likely erected by the firm of A. D. Briggs of Springfield, Mass. According to the Hartford (CT) Weekly Times of May 17,1873, "In 1863 Mr. Truesdell sold the rights to build bridges in New England to Mr. A.D.Briggs of Springfield, who has erected about 40 of the Truesdell bridges between that and the present time." Lucius E. Truesdell was from Warren, MA, a short distance east of Springfield, which may partially explain why the Briggs company was chosen.

Posted January 18, 2018, by Michael Quiet (mquiet [at] gmail [dot] com)

If my eyes don't deceive me that looks like a Truesdell truss. The design & details look pretty close to the remaining example up in NH:

Posted September 28, 2017, by Robert Elder (robertelder1 [at] gmail [dot] com)

This bridge is a spectacular discovery! It is always a good day when a lenticular truss surfaces. I will have to add it to my Connecticut bucket list.

Posted September 28, 2017, by Michael Quiet (mquiet [at] gmail [dot] com)

Thats a beauty...thanks Chester!

This is quite a strong design too, no doubt owing to the industrial nature of its usage. Its quite similar to the Interlaken Mill bridge over in RI ( ) with its floorbeams at or above the lower chord and pinned endposts, never mind the much more substantial upper and lower chords.

Hope they can find a preservation use for this one...its much to important to be left in this condition!

Posted September 28, 2017, by Dana and Kay Klein

Chester thanks for Sharing, AWESOME!

Posted August 14, 2017, by Anonymous

Best Kept secret! Suggestions for this year?