+42.68575, -96.97582
42°41'09" N, 96°58'33" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:N12 over EAST CREEK
Structure number:S012 21720
Location:0E MASKELL
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:13.1 ft. [4.0 m]
Total length:46.9 ft. [14.3 m]
Owner:State Highway Agency [01]
Year built:1951
Year reconstructed:1987
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:3
Main spans material:Steel [3]
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:1,220 [as of 2012]
Truck traffic:11% of total traffic
Structural appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
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:98.8 tons [89.8 metric tons]
Inventory rating:98.8 tons [89.8 metric tons]
Sufficiency rating:96.2
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]

Previous Inspections 

DateSuff. RatingConditionCulvert ConditionSD/FOADT
September 201696.2Good7 out of 10-1220
September 201467.5Poor4 out of 10SD1220
September 201269.4Poor4 out of 10SD1375
September 201072.6Poor4 out of 10SD1065
September 200872.6Poor4 out of 10SD1065
September 200672.5Poor4 out of 10SD1130
March 200472.6Poor4 out of 10SD1090
September 200272.7Poor4 out of 10SD770
February 200072.7Poor4 out of 10SD700
March 199872.7Poor4 out of 10SD700
March 199670.7Poor4 out of 10SD650
March 199470.7Poor4 out of 10-615
March 199258.2Poor4 out of 10-590
February 199058.2Poor4 out of 10-590