S 220 over MUDDY CREEK


+47.97964, -112.15661
47°58'47" N, 112°09'24" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:S 220 over MUDDY CREEK
Structure number:S00220011+07031
Location:12M N CHOTEAU
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:61.4 ft. [18.7 m]
Total length:172.9 ft. [52.7 m]
Roadway width between curbs:31.2 ft. [9.5 m]
Deck width edge-to-edge:34.5 ft. [10.5 m]
Owner:State Highway Agency [01]
Year built:1981
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: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: May 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:397 [as of 2016]
Truck traffic:4% 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 assessed or calculated scour condition. [5]
Sufficiency rating:96.2

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017GoodGoodVery GoodGood39796.2
May 2013GoodGoodGoodGood71096.1
June 2009GoodGoodVery GoodGood72095.0
June 2005GoodVery GoodVery GoodGood90094.1
August 2001GoodVery GoodVery GoodGood69096.1
November 1996GoodVery GoodVery GoodVery Good75091.7
November 1992GoodVery GoodVery GoodVery Good30893.5
January 1991GoodVery GoodVery GoodVery Good25793.7

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.692687500
Reinforced Concrete Decksq. ft.5,9525,85010200
Steel Columneach1601600
Steel Protective Coatingsq. ft.64003200320
Reinforced Concrete Abutmentlinear ft.8988100
Reinforced Concrete Pier Caplinear ft.6969000
Fixed Bearingeach1616000
Steel Protective Coatingsq. ft.1614200
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3443093500