+39.48858, -92.26714
39°29'19" N, 92°16'02" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:COUNTY RD 1137 over FLAT CR
Structure number:21078
Old structure number:288R009 069 (from 1992 edition)
Location:S 3 T 54 N R 12 W
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:35.1 ft. [10.7 m]
Total length:36.1 ft. [11.0 m]
Owner:County Highway Agency [02]
Year built:1986
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Steel [3]
Main span design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: May 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:35 [as of 2016]
Truck traffic:10% of total traffic
Structural appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Culvert condition:Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:89.8

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
May 2018Fair6 out of 103589.8
May 2016Fair6 out of 103589.8
May 2014Good7 out of 103589.8
May 2012Good7 out of 103589.8
July 2010Good7 out of 103589.8
July 2008Good7 out of 103589.8
June 2006Good7 out of 103589.8
June 2004Good7 out of 103589.8
June 2002Good7 out of 103589.8
June 2000Good7 out of 103589.8
June 1998Good7 out of 103589.8
February 1991Good7 out of 103585.8