Rating:
3 votes

Big Slough Creek Bridge

Photos 

Photo taken by Robert Elder

BH Photo #125316

Map 

Facts 

Overview
Through truss bridge over Big Slough Creek on CR 90, 0.3 mi. south and 2.2 mi. west of Oskaloosa
Location
Jefferson County, Kansas
Status
Intact but closed to all traffic
History
Built 1905
Design
Pin-connected. 6-panel Pratt through truss
Dimensions
Length of largest span: 84.0 ft.
Total length: 131.9 ft.
Deck width: 14.1 ft.
Recognition
Eligible for the National Register of Historic Places
Also called
Rickety Bridge
Approximate latitude, longitude
+39.21060, -95.35229   (decimal degrees)
39°12'38" N, 95°21'08" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/296905/4342784 (zone/easting/northing)
Quadrangle map:
Oskaloosa
Inventory numbers
KS 000441031804083 (Kansas local bridge number on the National Bridge Inventory)
BH 17807 (Bridgehunter.com ID)
Inspection (as of 02/2011)
Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 23.9 (out of 100)
Average daily traffic (as of 2009)
25

Update Log 

  • April 26, 2017: New photo from Kevin Skow
  • January 8, 2017: New photos from Nick Schmiedeler
  • August 31, 2016: Updated by Robert Elder: Bridge appears to be NRHP Eligible - see comment.
  • April 28, 2013: Updated by Zach Elliott: Bridge failed inspection and has been closed via KDOT http://www.jeffcountynews.com/2013/04/kdot-forces-county-to-shut-down-two-bridges/
  • November 16, 2010: Updated by Robert Elder: Edited Categories
  • January 21, 2010: Updated by Robert Elder: Adjusted GPS Coordinates.
  • September 29, 2008: New photo from Robert Elder

Sources 

Comments 

Big Slough Creek Bridge
Posted September 1, 2016, by Tony Dillon (spansaver [at] hotmail [dot] com)

Yup... I thought it was interesting that they had it listed on there.

Big Slough Creek Bridge
Posted September 1, 2016, by Robert Elder (robertelder1 [at] gmail [dot] com)

Good to hear from the expert! I will have to inspect the counters next time I visit the bridge. The local support is encouraging.

Another interesting feature of this bridge is the use of built up (laced channels if I recall correctly) for the substructure. This is not unheard of, but it is somewhat uncommon. The Elk Falls Bridge in Elk County, Kansas is another good example.

Big Slough Creek Bridge
Posted September 1, 2016, by Nathan Holth (webmaster [at] historicbridges [dot] org)

Removal of portions of portal bracing to increase vertical clearance is uncommon among pin-connected trusses, but is extremely common among rivet-connected trusses.

The locals are in strong support of leaving this bridge in place. They were having a nightly get-together on the bridge when I was here.

Overall this is just a traditional pin thru truss. The portal bracing could have been a large lattice too. Who knows. All I know is that the one unique detail of note is that it has unusual forged clevis eyebars for the, as I recall, the counter diagonals... this is a noteworthy fabrication detail.

Big Slough Creek Bridge
Posted September 1, 2016, by Robert Elder (robertelder1 [at] gmail [dot] com)

Well, that is the local name...I didn't realize that the local name made it to the KHRI. Interesting...

Big Slough Creek Bridge
Posted September 1, 2016, by Tony Dillon (spansaver [at] hotmail [dot] com)

KHRI also refers to this one as the Rickety Bridge.

Big Slough Creek Bridge
Posted August 31, 2016, by ArtS (asuckewer [at] knite [dot] com)

Robert,

I would guess what I think is called an M pattern based on the stubs that remain.

Regards,

Art S.

Big Slough Creek Bridge
Posted August 31, 2016, by Robert Elder (robertelder1 [at] gmail [dot] com)

I suspect that it was done for clearance. I am not sure what it looked like originally. When I visited this bridge, it was open to traffic, but the bracing was long gone.

Big Slough Creek Bridge
Posted August 31, 2016, by ArtS (asuckewer [at] knite [dot] com)

Interesting that someone cut away the portal bracing!

Big Slough Creek Bridge
Posted August 31, 2016, by Robert Elder (robertelder1 [at] gmail [dot] com)

According the KHRI, this one may be NRHP Eligible:

http://khri.kansasgis.org/index.cfm?in=087-0000-00275

Big Slough Creek Bridge
Posted July 5, 2013, by Randy Rasa (randy [at] cleversoul [dot] com)

Just a confirmation: There are currently "Bridge Closed" signs at each end of the structure, though it's still passable by foot.

Big Slough Creek Bridge
Posted April 28, 2013, by Zach Elliott (metallicarox2009 [at] gmail [dot] com)

Looks like recent inspections have forced KDOT to close the bridge. I have updated the description to reflect that. Story here: http://www.jeffcountynews.com/2013/04/kdot-forces-county-to-...

Big Slough Creek Bridge
Posted October 9, 2009, by Liz

Hold your breath!