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Flatrock River US 31 Bridge


Photo courtesy of the Indiana State Department of Natural Resource, Division of Historic Preservation and Archaeology.

View more info about Indiana historic bridges from the SHAARD database

BH Photo #158368


Lost through truss bridge over Flatrock River on US 31 in Columbus
Columbus, Bartholomew County, Indiana
No longer exists
Built 1941; rehabilitated 1985; replaced ca. 2006
Riveted Parker through truss
Length of largest span: 174.8 ft.
Total length: 400.8 ft.
Deck width: 27.9 ft.
Vertical clearance above deck: 14.4 ft.
Approximate latitude, longitude
+39.23545, -85.92743   (decimal degrees)
39°14'08" N, 85°55'39" W   (degrees°minutes'seconds")
Approximate UTM coordinates
16/592568/4343453 (zone/easting/northing)
Quadrangle map:
Average daily traffic (as of 2004)
Inventory numbers
INNBI 009290 (Indiana bridge number on the National Bridge Inventory)
BH 15813 (Bridgehunter.com ID)
Inspection report (as of November 2018)
Overall condition: Good
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Good (7 out of 9)
Deck condition rating: Good (7 out of 9)
Sufficiency rating: 85 (out of 100)
View more at BridgeReports.com

Update Log 

  • March 19, 2010: Updated by Anthony Dillon: Added truss type



Flatrock River US 31 Bridge
Posted June 4, 2019, by Steve Hyman (shymanfl [at] gmail [dot] com)

Remember going over this bridge many times in my childhood days. Too bad they demolished it.

Flatrock River US 31 Bridge
Posted August 17, 2007, by Anonymous

This bridge no longer exists. It was taken out when US 31 was widened to four lanes. I thought Columbus was like about architecture and history or something. A new bridge could have been built parallel to this one. Columbus built the new cable stayed bridge over the East Fk. White river, so they could have built a new through truss parallel to this one. I'm sorry if I sounded selfish in the past sentence.