+39.48871, -92.26732
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 2016

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]
Operating rating:54.5 tons [49.5 metric tons]
Inventory rating:24.8 tons [22.5 metric tons]
Sufficiency rating:89.8

Previous Inspections

DateSuff. RatingConditionCulvert ConditionSD/FOADT
May 201689.8Fair6 out of 10-35
May 201489.8Good7 out of 10-35
May 201289.8Good7 out of 10-35
July 201089.8Good7 out of 10-35
July 200889.8Good7 out of 10-35
June 200689.8Good7 out of 10-35
June 200489.8Good7 out of 10-35
June 200289.8Good7 out of 10-35
June 200089.8Good7 out of 10-35
June 199889.8Good7 out of 10-35
February 199185.8Good7 out of 10-35