+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 2014 

Status:Open, no restriction [A]
Average daily traffic:1,220 [as of 2012]
Truck traffic:11% 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 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: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:98.8 tons [89.8 metric tons]
Inventory rating:98.8 tons [89.8 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:67.5
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201467.5Structurally deficient---1220
September 201269.4Structurally deficient---1375
September 201072.6Structurally deficient---1065
September 200872.6Structurally deficient---1065
September 200672.5Structurally deficient---1130
March 200472.6Structurally deficient---1090
September 200272.7Structurally deficient---770
February 200072.7Structurally deficient---700
March 199872.7Structurally deficient---700
March 199670.7Structurally deficient---650
March 199470.7Not deficient---615
March 199258.2Not deficient---590
February 199058.2Not deficient---590