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S 80 over SHONKIN CREEK

Map

Coordinates:
+47.81727, -110.63394
47°49'02" N, 110°38'02" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:S 80 over SHONKIN CREEK
Structure number:P00080004+01141
Location:1M E FORT BENTON
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:99.4 ft. [30.3 m]
Total length:178.2 ft. [54.3 m]
Roadway width between curbs:34.8 ft. [10.6 m]
Deck width edge-to-edge:37.4 ft. [11.4 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+Mod / HS 20+Mod [6]
Number of main spans:2
Main spans material:Prestressed concrete [5]
Main spans 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: November 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:896 [as of 2016]
Truck traffic:16% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
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:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:86.6

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2017GoodGoodVery GoodGood89686.6
November 2013GoodGoodVery GoodGood68088.7
November 2009GoodGoodVery GoodGood66088.8
December 2005GoodVery GoodExcellentExcellent66088.8
February 2004GoodExcellentExcellentExcellent68068.3
January 2002PoorFairPoorSatisfactory68039.4
February 2000PoorFairPoorSatisfactory68039.4
July 1998PoorFairPoorSatisfactory79030.9
April 1996PoorFairPoorSatisfactory44944.1
February 1994PoorFairPoorSatisfactory52242.6
January 1992PoorFairPoorSatisfactory56544.8
March 1990PoorFairPoorSatisfactory63745.2

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.794794000
Deck
Reinforced Concrete Decksq. ft.6,6845,81986500
Concrete Protective Coatingsq. ft.6,6846,684000
Substructure
Steel Columneach44000
Steel Protective Coatingsq. ft.37731740020
Reinforced Concrete Abutmentlinear ft.105105000
Reinforced Concrete Pier Caplinear ft.3636000
Bearings
Fixed Bearingeach99000
Steel Protective Coatingsq. ft.99000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3583401800