US20 over STREAM


+42.46676, -96.90331
42°28'00" N, 96°54'12" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:US20 over STREAM
Structure number:S020 40463
Location:13NE LAUREL
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:9.8 ft. [3.0 m]
Total length:22.0 ft. [6.7 m]
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:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: September 2014 

Status:Open, no restriction [A]
Average daily traffic:2,505 [as of 2012]
Truck traffic:23% of total traffic
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
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]
Pier/abutment protection:Navigation protection not required [1]
Culvert condition:Large spalls, heavy scaling, wide cracks, considerable efflorescence or opened construction joint permitting loss of backfill. Considerable settlement or misalignment. Considerable scouring or erosion at curtain walls, wingwalls or pipes. Metal culverts have significant distortion and deflection throughout, extensive corrosion or deep pitting. [4]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:27.0 tons [24.5 metric tons]
Inventory rating:18.9 tons [17.2 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:45.5
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201445.5Structurally deficient---2505
September 201252.9Structurally deficient---2090
September 201052.8Structurally deficient---2320
September 200852.8Structurally deficient---2320
September 200672.6Structurally deficient---1995
March 200472.6Structurally deficient---2100
October 200272.6Structurally deficient---2075
March 200072.6Structurally deficient---2070
April 199872.6Structurally deficient---2070
April 199670.7Structurally deficient---1600
March 199470.7Structurally deficient---1495
March 199258.1Structurally deficient---1545
February 199058.1Structurally deficient---1545