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Blue River Main Street Bridge



This is an interesting bridge. Depending on which way you cross, each truss section either increases or decreases in size.

Photo taken by James McCray


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BH Photo #113259


Three-span pony truss bridge over Blue River on Main Street in Milltown
Milltown, Crawford County, Indiana, and Harrison County, Indiana
Replaced by a new truss bridge
Built 1913; rehabilitated 1977
Three riveted Warren pony trusses of varying size
Length of largest span: 75.1 ft.
Total length: 168.9 ft.
Deck width: 13.7 ft.
Eligible for the National Register of Historic Places
Also called
Harrison County Bridge #M001
Crawford County Bridge #123
Approximate latitude, longitude
+38.34039, -86.27351   (decimal degrees)
38°20'25" N, 86°16'25" W   (degrees°minutes'seconds")
Approximate UTM coordinates
16/563488/4243833 (zone/easting/northing)
Quadrangle map:
Average daily traffic (as of 2009)
Inventory numbers
INNBI 1300067 (Indiana bridge number on the National Bridge Inventory)
BH 15971 (Bridgehunter.com ID)
Inspection report (as of October 2009)
Overall condition: Poor
Superstructure condition rating: Critical (2 out of 9)
Substructure condition rating: Good (7 out of 9)
Deck condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 18.7 (out of 100)
View more at BridgeReports.com

Update Log 

  • February 10, 2019: New photo from Melissa Brand-Welch
  • September 25, 2013: Updated by Luke Harden: Added city
  • September 25, 2013: Updated by J.P.: bridge has been replaced by a new truss bridge.
  • February 21, 2010: Updated by Anthony Dillon: Adjusted GPS coordinates
  • March 24, 2008: New photos from James McCray


  • James McCray - jamesinslocomb [at] yahoo [dot] com
  • Tony Dillon - spansaver [at] hotmail [dot] com
  • J.P. - wildcatjon2000 [at] gmail [dot] com
  • Luke
  • Melissa Brand-Welch - melissabrandwelch [at] msn [dot] com


Blue River Main Street Bridge
Posted February 11, 2019, by Joel Wyman (jwyman2242 [at] yahoo [dot] com)

Isn't it just sad how these rare and far more interesting historical structures are being needlessly slaughtered. The world is becoming a very dull place with today's function and zero form policy when it comes to architecture.

Blue River Main Street Bridge
Posted September 25, 2013, by Nathan Holth (form3 [at] historicbridges [dot] org)

Here is a photo of the replacement MOB:


I see the old piers of the historic bridge are still there. It definitely could have been left standing next to its replacement. This is yet another example of how Indiana's management plan is severely flawed. There obviously are ways to get around preserving a select bridge.

The replacement bridge is so dissimilar and ugly compared to the historic bridge that I find the bridge insulting to the memory of the historic bridge.

Blue River Main Street Bridge
Posted September 25, 2013, by Tony Dillon (spansaver [at] hotmail [dot] com)

I see they tried to emulate the old bridge by adding a smaller pony span to the new MOB pony...didn't work.

What stinks is that they built the new bridge next to the old one and could have simply retained the historic bridge for foot traffic. I will have to check to see if the trusses were dismantled and stored since this was a Select span.

Regardless, the uniqueness of the stepped pony trusses is forever gone.

Blue River Main Street Bridge
Posted September 25, 2013, by Tom Hoffman (tehoffm [at] hotmail [dot] com)

Now that is ridiculous. Especially since Crawford County has restored most of their metal bridges. I'm glad I got too see this bridge once. Was such an unusual and neat bridge where either way the three truss spans changed size. At least the old Rothrock Mill was saved. But a modern truss bridge to replace a demolished rare historic truss is crummy.

Blue River Main Street Bridge
Posted February 27, 2011, by Richard Tekulve (CANOEINDIANA [at] YAHOO [dot] COM)

I just recently (Nov. 2010) completed canoeing the entire Blue River from Salem to the Ohio River. The Milltown bridge has been totally replaced with the same type of bridge that was installed downstream at the Rothrock Mill site.

Blue River Main Street Bridge
Posted May 19, 2008, by Jerry Harpe (jharpe24 [at] yahoo [dot] com)

There's discussion about making it a foot bridge after they build the new bridge upstream at the site of the old railway bridge, about 150 yards upstream from the present bridge.

Money seems to be the big holdup here. Being on the county line, neither county wants to foot the bill.

Blue River Main Street Bridge
Posted April 26, 2008, by C. Beringer (avelyncvb [at] sbcglobal [dot] net)

Anyone out there heard that the bridge might be torn down and a new bridge built? I think this bridge was metioned in the Corydon Democrat in March or early April (2008). I'm always searching for information regarding Crawford Co. in my search for ancestors, so I'm not sure where I came across this information.

C. Beringer