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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 

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]
Evaluation:Structurally deficient [1]
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. ratingEvaluationDeckSuper.Sub.ADT
May 201548.6Structurally deficientPoorSatisfactoryFair120
May 201348.6Structurally deficientPoorSatisfactoryFair120
May 201149.6Not deficientFairSatisfactoryFair160
May 200949.4Not deficientFairGoodFair160
June 200742.0Structurally deficientVery GoodVery GoodVery Good110
April 200542.0Structurally deficientVery GoodVery GoodVery Good110
July 200350.1Structurally deficientVery GoodVery GoodVery Good100
June 200150.1Structurally deficientVery GoodVery GoodVery Good100
May 199950.1Structurally deficientVery GoodVery GoodVery Good80
March 199750.1Structurally deficientVery GoodVery GoodVery Good80
March 199550.1Structurally deficientVery GoodVery GoodVery Good70
May 199350.1Structurally deficientVery GoodVery GoodVery Good70
March 199141.9Structurally deficientVery GoodVery GoodVery Good150