N15 over STREAM


+42.34589, -97.01762
42°20'45" N, 97°01'03" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:N15 over STREAM
Structure number:S015 17224
Location:JCT N15/N116 2S
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:9.8 ft. [3.0 m]
Total length:32.2 ft. [9.8 m]
Owner:State Highway Agency [01]
Year built:1939
Year reconstructed:1980
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:3
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: September 2016 

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:2,040 [as of 2012]
Truck traffic:11% of total traffic
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:Navigation protection not required [1]
Culvert condition:Shrinkage cracks, light scaling and insignificant spalling which does not expose reinforcing steel. Insignificant damage caused by drift with no misalignment and not requiring corrective action. Some minor scouring has occured near curtain walls, wingwalls or pipes. Metal culverts have a smooth symmetrical curvature with superficial corrosion and no pitting. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:36.0 tons [32.7 metric tons]
Inventory rating:24.0 tons [21.8 metric tons]
Sufficiency rating:82.4

Previous Inspections 

DateSuff. RatingConditionCulvert ConditionSD/FOADT
September 201682.4Good7 out of 10-2040
September 201482.4Good7 out of 10-2040
September 201286.9Good7 out of 10-2000
September 201086.9Good7 out of 10-2050
September 200886.9Good7 out of 10-2050
September 200699.5Good7 out of 10-1945
March 200499.5Good7 out of 10-2235
September 200299.5Good7 out of 10-2145
March 200099.5Good7 out of 10-2145
April 199899.5Good7 out of 10-2145
April 199697.5Good7 out of 10-1970
March 199497.6Good7 out of 10-1890
March 199297.7Good7 out of 10-1220
February 199097.7Good7 out of 10-1220