N12 over STREAM


+42.84557, -98.61844
42°50'44" N, 98°37'06" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:N12 over STREAM
Structure number:S012 12840
Location:1.7W BRISTOW
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:7.9 ft. [2.4 m]
Total length:26.9 ft. [8.2 m]
Skew angle:20°
Owner:State Highway Agency [01]
Year built:1992
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: March 2015

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:585 [as of 2012]
Truck traffic:10% of total traffic
Structural appraisal:Equal to present desirable criteria [8]
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:No noticeable or noteworthy deficiencies which affect the condition of the culvert. Insignificant scrape marks caused by drift. [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:99.1

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
March 2015Good8 out of 1058599.1
March 2013Good8 out of 1058599.9
March 2011Good8 out of 1066087.3
March 2009Good8 out of 1066087.3
March 2007Good8 out of 1059599.9
March 2005Good8 out of 1068099.9
July 2003Good8 out of 1066099.9
February 2001Good8 out of 1075099.9
June 1999Good8 out of 1082099.9
June 1997Good8 out of 1072599.9
July 1995Good9 out of 1070097.9
March 1994Good9 out of 1062597.9
April 1992Good9 out of 1062597.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Culvertlinear ft.219219000