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US 30 over SNAKE RIVER;GRIDLEY BR.

Map

Coordinates:
+42.75889, -114.87778
42°45'32" N, 114°52'40" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 30 over SNAKE RIVER;GRIDLEY BR.
Structure number:000000000013580
Location:4.3 S. HAGERMAN
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:39.0 ft. [11.9 m]
Total length:1560.1 ft. [475.5 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:32.8 ft. [10.0 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1961
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:MS 18 / HS 20 [5]
Number of main spans:39
Main spans material:Concrete [1]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: June 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,800 [as of 2015]
Truck traffic:18% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:79.8
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$15,444,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017FairGoodSatisfactoryFair180079.8
June 2015FairGoodSatisfactoryFair190079.8
June 2013FairSatisfactorySatisfactoryFair190079.8
June 2012FairSatisfactorySatisfactoryFair190077.8
June 2011FairSatisfactorySatisfactoryFair190077.8
June 2010FairSatisfactorySatisfactoryFair190077.8
June 2009FairSatisfactorySatisfactoryFair200071.4
June 2008FairSatisfactorySatisfactoryFair200071.4
November 2006FairSatisfactorySatisfactoryFair210070.4
November 2004FairSatisfactorySatisfactoryFair210070.4
November 2002FairSatisfactorySatisfactoryFair210070.4
November 2000FairSatisfactoryGoodSatisfactory210079.5
November 1998GoodGoodGoodGood210079.5
November 1996GoodGoodGoodGood170080.6
November 1994GoodGoodGoodGood170080.6
November 1992GoodGoodGoodGood121080.8
November 1990GoodGoodGoodGood121080.8

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Reinforced Concrete Girder/Beamlinear ft.9,3606,7852,0725030
Deck
Reinforced Concrete Decksq. ft.51,17245,9975,17500
Wearing Surfacessq. ft.43,52443,524000
Substructure
Reinforced Concrete Abutmentlinear ft.66561000
Steel Pileeach27037176570
Steel Protective Coatingsq. ft.8,99908,0009990
Reinforced Concrete Pier Caplinear ft.1,3251,07524550
Joints
Compression Jointlinear ft.1,4441,3895500
Bearings
Elastomeric Bearingeach114011400
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.3,1173,117000
Steel Protective Coatingsq. ft.18,84218,842000