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FM over LITTLE SIOUX RIVER

Map 

Coordinates:
+42.13611, -96.02778
42°08'10" N, 96°01'40" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:FM over LITTLE SIOUX RIVER
Structure number:000000000250750
Location:084441803
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:98.1 ft. [29.9 m]
Total length:252.0 ft. [76.8 m]
Roadway width between curbs:20.3 ft. [6.2 m]
Deck width edge-to-edge:22.0 ft. [6.7 m]
Owner:County Highway Agency [02]
Year built:1960
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: May 2015 

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:120 [as of 2012]
Deck condition:Poor [4 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:30.0 tons [27.3 metric tons]
Inventory rating:18.4 tons [16.7 metric tons]
Sufficiency rating:48.6
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201548.6PoorPoorSatisfactoryFairSD120
May 201348.6PoorPoorSatisfactoryFairSD120
May 201149.6FairFairSatisfactoryFair-160
May 200949.4FairFairGoodFair-160
June 200742.0GoodVery GoodVery GoodVery GoodSD110
April 200542.0GoodVery GoodVery GoodVery GoodSD110
July 200350.1GoodVery GoodVery GoodVery GoodSD100
June 200150.1GoodVery GoodVery GoodVery GoodSD100
May 199950.1GoodVery GoodVery GoodVery GoodSD80
March 199750.1GoodVery GoodVery GoodVery GoodSD80
March 199550.1GoodVery GoodVery GoodVery GoodSD70
May 199350.1GoodVery GoodVery GoodVery GoodSD70
March 199141.9GoodVery GoodVery GoodVery GoodSD150