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STATE ROUTE 12 over LITTLE POTATO SLOUGH

Map

Coordinates:
+38.11425, -121.50278
38°06'51" N, 121°30'10" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:STATE ROUTE 12 over LITTLE POTATO SLOUGH
Structure number:29 0101
Location:10-SJ-012-R4.44
Purpose:Carries highway and pedestrian walkway over highway and waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:160.1 ft. [48.8 m]
Total length:2980.1 ft. [908.3 m]
Roadway width between curbs:42.7 ft. [13.0 m]
Deck width edge-to-edge:50.9 ft. [15.5 m]
Vertical clearance below bridge:32.8 ft. [10.0 m]
Owner:State Highway Agency [01]
Year built:1991
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:Steel continuous [4]
Main spans design:Movable - Swing [17]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: April 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:15,000 [as of 2009]
Truck traffic:14% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
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 minimum criteria [6]
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]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:78.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2017GoodGoodGoodGood1500078.0
May 2015GoodVery GoodGoodVery Good1500078.0
April 2013GoodGoodGoodGood1500078.0
April 2011GoodGoodGoodGood1500078.0
February 2010GoodGoodGoodGood1250078.0
June 2007FairFairGoodGood1250078.0
March 2004PoorPoorSatisfactoryGood1250076.0
April 2002FairSatisfactorySatisfactoryGood1250079.0
May 2000FairSatisfactorySatisfactoryGood1250079.0
November 1999FairSatisfactorySatisfactoryGood1250079.0
December 1998FairSatisfactorySatisfactoryGood1250079.0
June 1997FairSatisfactorySatisfactoryGood1250079.0
January 1995GoodVery GoodExcellentVery Good1190079.0
December 1993GoodVery GoodExcellentVery Good1370079.0
July 1991GoodVery GoodExcellentVery Good1370079.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Closed Web/Box Girderlinear ft.594584460
Reinforced Concrete Closed Web/Box Girderlinear ft.2191992000
Steel Girder/Beamlinear ft.566566000
Steel Protective Coatingsq. ft.3,11303,11300
Deck
Reinforced Concrete Decksq. ft.1,4651,465000
Wearing Surfacessq. ft.9595000
Concrete Protective Coatingsq. ft.11,80811,808000
Prestressed Concrete Top Flangesq. ft.8,7908,790000
Reinforced Concrete Top Flangesq. ft.3,8283,70312500
Substructure
Reinforced Concrete Columneach2020000
Reinforced Concrete Pier Walllinear ft.2121000
Reinforced Concrete Abutmentlinear ft.5151000
Reinforced Concrete Pile Cap/Footinglinear ft.10100
Prestressed Concrete Pileeach11000
Reinforced Concrete Pier Caplinear ft.4343000
Joints
Compression Jointlinear ft.102102000
Assembly with Sealeach6261010
Bearings
Enclosed/Concealed Bearingeach44000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.908908000
Reinforced Concrete Bridge Raillinear ft.1,8161,816000