US20 over STREAM


+42.46701, -96.98649
42°28'01" N, 96°59'11" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:US20 over STREAM
Structure number:S020 39987
Location:8NE LAUREL
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:16.1 ft. [4.9 m]
Total length:33.1 ft. [10.1 m]
Roadway width between curbs:39.4 ft. [12.0 m]
Deck width edge-to-edge:42.3 ft. [12.9 m]
Skew angle:10°
Owner:State Highway Agency [01]
Year built:1935
Year reconstructed:1974
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:2
Main spans material:Concrete [1]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: September 2016 

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:2,505 [as of 2012]
Truck traffic:23% of total traffic
Deck condition:Fair [5 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 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]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:47.9 tons [43.5 metric tons]
Inventory rating:28.9 tons [26.3 metric tons]
Sufficiency rating:55.7
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201655.7PoorFairFairPoorSD2505
September 201455.7PoorFairFairPoorSD2505
September 201280.2FairFairFairFair-2090
September 201081.2FairFairFairFair-2320
March 201081.2FairFairFairFair-2320
September 200881.2FairFairFairFair-2320
August 200684.3FairFairFairFair-1995
March 200483.3FairFairFairFair-2100
September 200283.3FairFairFairFair-2075
March 200083.3FairFairFairFair-2070
April 199883.3FairFairFairFair-2070
April 199682.4FairFairFairFair-1600
March 199482.5FairFairFairFair-1495
March 199282.5FairFairFairFair-1545
February 199082.5FairFairFairFair-1545