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US 93 over SNAKE RIVER; PERRINE BR.

Map

Coordinates:
+42.59861, -114.45417
42°35'55" N, 114°27'15" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 93 over SNAKE RIVER; PERRINE BR.
Structure number:000000000017580
Location:0.6 N. TWIN FALLS
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:993.2 ft. [302.7 m]
Total length:1500.1 ft. [457.2 m]
Roadway width between curbs:64.6 ft. [19.7 m]
Deck width edge-to-edge:78.4 ft. [23.9 m]
Owner:State Highway Agency [01]
Year built:1976
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Main span material:Steel continuous [4]
Main span design:Arch - Deck [11]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: September 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:30,000 [as of 2016]
Truck traffic:8% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:There are no noticeable or noteworthy deficiencies which affect the condition of the channel. [9]
Scour condition:Bridge foundations (including piles) on dry land well above flood water elevations. [9]
Sufficiency rating:77.1
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$29,700,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018FairGoodSatisfactorySatisfactory3000077.1
September 2016FairGoodFairSatisfactory3200066.1
September 2014FairSatisfactoryFairSatisfactory3000069.0
July 2013FairSatisfactoryFairSatisfactory2900069.0
July 2011FairSatisfactoryFairSatisfactory2350069.0
July 2009FairSatisfactoryFairSatisfactory2500069.0
July 2007FairSatisfactoryFairSatisfactory2500069.0
July 2005FairSatisfactoryFairSatisfactory2600069.0
July 2003FairSatisfactoryFairSatisfactory2500069.0
August 2002FairSatisfactoryFairSatisfactory2500069.0
July 1999FairGoodSatisfactoryGood2300080.0
July 1997FairGoodSatisfactoryGood2300080.0
July 1995FairGoodSatisfactoryGood2000080.0
July 1993FairGoodFairGood1580069.0
July 1991FairGoodFairGood1580069.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.2,0143621,65200
Steel Protective Coatingsq. ft.32,16129,1613,00000
Steel Stringerlinear ft.8,3977977,60000
Steel Protective Coatingsq. ft.106,035105,0351,00000
Deck
Reinforced Concrete Decksq. ft.114,747111,7473,00000
Wearing Surfacessq. ft.93,60093,600000
Superstructure
Steel Archlinear ft.9949148000
Steel Protective Coatingsq. ft.279,618254,31825,0003000
Steel Floor Beamlinear ft.2,9062,81580110
Steel Protective Coatingsq. ft.36,30835,938320050
Substructure
Steel Columneach4438060
Steel Protective Coatingsq. ft.40,68140,681000
Reinforced Concrete Abutmentlinear ft.1611402100
Reinforced Concrete Pile Cap/Footinglinear ft.6964230
Steel Pier Caplinear ft.135013500
Steel Protective Coatingsq. ft.1,6871,687000
Joints
Compression Jointlinear ft.1280108200
Assembly with Sealeach128128000
Bearings
Movable Bearingeach40400
Steel Protective Coatingsq. ft.1201200
Fixed Bearingeach216021330
Steel Protective Coatingsq. ft.648648000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.6,1226,121001
Reinforced Concrete Bridge Raillinear ft.4,5604,43590350