48050 311TH ST over EAST UNION CK


+42.88044, -96.59680
42°52'50" N, 96°35'48" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:48050 311TH ST over EAST UNION CK
Structure number:000000064105140
Location:9.5S & 1.5E ALCESTER
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:24.6 ft. [7.5 m]
Total length:50.5 ft. [15.4 m]
Roadway width between curbs:24.9 ft. [7.6 m]
Deck width edge-to-edge:25.3 ft. [7.7 m]
Owner:County Highway Agency [02]
Year built:1950
Year reconstructed:1975
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:2
Main spans material:Concrete [1]
Main spans design:Channel beam [22]
Deck type:Concrete Precast Panels [2]
Wearing surface:Gravel [8]

Latest Available Inspection: July 2016

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:110 [as of 2014]
Truck traffic:2% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. [4]
Scour condition:Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Operating rating:36.0 tons [32.7 metric tons]
Inventory rating:27.0 tons [24.5 metric tons]
Sufficiency rating:58.7
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$25,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201658.7PoorGoodFairPoorSD110
July 201458.7PoorGoodFairPoorSD110
July 201258.7PoorGoodFairPoorSD110
September 201074.7FairGoodFairFair-110
October 200874.7FairGoodFairFair-110
September 200674.7FairGoodFairFair-110
June 200474.7FairGoodFairFair-110
May 200277.7FairGoodFairSatisfactory-110
September 200077.7FairGoodFairSatisfactory-110
September 199877.7FairGoodFairSatisfactory-110
August 199688.7GoodVery GoodVery GoodGood-110
September 199447.2PoorVery GoodVery GoodSeriousSD110
July 199261.2PoorVery GoodVery GoodPoorSD110
September 199088.2GoodVery GoodVery GoodGood-110