+46.52719, -108.09681
46°31'38" N, 108°05'49" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 12 over DRAINAGE
Structure number:P00014191+09321
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:9.8 ft. [3.0 m]
Total length:24.0 ft. [7.3 m]
Owner:State Highway Agency [01]
Year built:2003
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:2
Main spans material:Steel [3]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: December 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:548 [as of 2016]
Truck traffic:8% of total traffic
Structural appraisal:Equal to present desirable criteria [8]
Water adequacy appraisal:Equal to present minimum criteria [6]
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]
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:89.9

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
December 2017Good8 out of 1054889.9
December 2015Good8 out of 1066088.8
December 2013Good8 out of 1066088.8
December 2011Good8 out of 1066088.8
December 2009Good8 out of 1055089.9
December 2007Good8 out of 1062089.2
December 2005Good8 out of 1069088.6
December 2003Good9 out of 1046090.7
January 2002FairN out of 1046087.3
March 2000FairN out of 1046087.3
February 1998FairN out of 1040088.9
April 1996FairN out of 1047185.2
November 1993FairN out of 1046184.0
April 1992FairN out of 1049985.2
January 1991FairN out of 1040172.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Steel Culvertlinear ft.184182200
Steel Protective Coatingsq. ft.5,7815,7235800