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N12 over STREAM

Map

Coordinates:
+42.83794, -98.58483
42°50'17" N, 98°35'05" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:N12 over STREAM
Structure number:S012 13020
Location:0S BRISTOW
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:18.0 ft. [5.5 m]
Total length:23.0 ft. [7.0 m]
Skew angle:40°
Owner:State Highway Agency [01]
Year built:1935
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Concrete [1]
Main span design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: March 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:830 [as of 2016]
Truck traffic:15% 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: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]
Culvert condition:Moderate to major deterioration or disintegration, extensive cracking and leaching or spalls on concrete or masonry walls and slabs. Minor settlement or misalignment. Noticeable scouring or erosion at curtain walls, wingwalls or pipes. Metal culverts have significant distortion and deflection in one section, significant corrosion or deep pitting. [5]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:76.2

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
March 2017Fair5 out of 1083076.2
March 2015Fair6 out of 1075086.5
March 2013Fair6 out of 1075087.7
March 2011Fair6 out of 1078587.3
March 2009Fair6 out of 1078587.3
March 2007Fair6 out of 1068599.9
March 2005Fair6 out of 1078599.9
July 2003Fair6 out of 1076599.9
February 2001Fair6 out of 1083099.9
June 1999Fair6 out of 1089599.9
June 1997Fair6 out of 1082582.9
July 1995-N out of 1080080.9
June 1993-N out of 1073085.9

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Culvert
Reinforced Concrete Culvertlinear ft.924330190