Share:

US 12 over COTTONWOOD CREEK

Map

Coordinates:
+46.50000, -116.71333
46°30'00" N, 116°42'48" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 12 over COTTONWOOD CREEK
Structure number:000000000010396
Location:14.6 E. LEWISTON
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:90.9 ft. [27.7 m]
Total length:90.9 ft. [27.7 m]
Roadway width between curbs:43.3 ft. [13.2 m]
Deck width edge-to-edge:45.9 ft. [14.0 m]
Owner:State Highway Agency [01]
Year built:1997
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 22.5 / HS 25 [9]
Main span material:Prestressed concrete [5]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: March 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:3,300 [as of 2015]
Truck traffic:15% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Equal to present minimum criteria [6]
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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:97.1

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2017FairSatisfactoryVery GoodVery Good330097.1
March 2013FairSatisfactoryVery GoodVery Good330097.1
March 2011FairSatisfactoryVery GoodVery Good330097.1
March 2009FairSatisfactoryVery GoodVery Good380096.6
March 2007FairSatisfactoryVery GoodVery Good400096.4
March 2006FairSatisfactoryVery GoodVery Good400096.4
March 2004FairSatisfactoryVery GoodVery Good390096.5
October 2002FairSatisfactoryVery GoodVery Good380096.6
October 2000FairSatisfactoryVery GoodVery Good320095.1
October 1998FairSatisfactoryVery GoodVery Good320095.1
June 1997GoodVery GoodVery GoodVery Good320095.1

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.630630000
Deck
Reinforced Concrete Decksq. ft.4,1864,1444200
Substructure
Reinforced Concrete Abutmentlinear ft.9292000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.231229200