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SR 12 WB over US 101 & CONNECTOR RAMPS

Map

Coordinates:
+38.43137, -122.71599
38°25'53" N, 122°42'58" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR 12 WB over US 101 & CONNECTOR RAMPS
Structure number:20 0208L
Location:04-SON-012-R16.01-SRO
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:81.0 ft. [24.7 m]
Total length:311.0 ft. [94.8 m]
Roadway width between curbs:48.9 ft. [14.9 m]
Deck width edge-to-edge:52.2 ft. [15.9 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1964
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:4
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: September 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:36,500 [as of 2016]
Truck traffic:4% of total traffic
Deck condition:Fair [5 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:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:89.6

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2016FairFairGoodGood3650089.6
September 2012FairSatisfactoryVery GoodGood3650090.6
October 2008FairSatisfactoryVery GoodGood3150091.4
September 2006PoorPoorVery GoodGood3150088.2
September 2004PoorPoorVery GoodGood3150090.3
September 2002PoorPoorVery GoodGood715093.9
October 2000FairSatisfactoryVery GoodGood715097.0
January 1999FairSatisfactoryVery GoodGood715097.0
October 1996FairSatisfactoryVery GoodGood2870091.9
October 1994GoodGoodGoodGood2870091.6
October 1992GoodGoodGoodGood2510092.1
August 1990GoodGoodGoodGood2510092.1

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.664662020
Deck
Reinforced Concrete Decksq. ft.1,5101,01050000
Concrete Protective Coatingsq. ft.1,5001,500000
Substructure
Reinforced Concrete Columneach99000
Reinforced Concrete Abutmentlinear ft.4848000
Reinforced Concrete Pileeach11000
Reinforced Concrete Pier Caplinear ft.5959000
Bridge Rail
Other Material Bridge Raillinear ft.190189010