12TH ST-E980 ON-RP over E980-17TH ST OFF-RAMP


+37.80569, -122.27791
37°48'20" N, 122°16'40" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:12TH ST-E980 ON-RP over E980-17TH ST OFF-RAMP
Structure number:33 0479S
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:115.2 ft. [35.1 m]
Total length:230.0 ft. [70.1 m]
Roadway width between curbs:31.8 ft. [9.7 m]
Deck width edge-to-edge:35.8 ft. [10.9 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:99°
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+Mod / HS 20+Mod [6]
Number of main spans:2
Main spans material:Prestressed concrete continuous [6]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: May 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:13,000 [as of 2012]
Truck traffic:2% 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]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:93.8

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2018GoodGoodGoodGood1300093.8
May 2016GoodVery GoodVery GoodVery Good1300094.8
May 2014GoodGoodVery GoodGood1300094.8
May 2012GoodGoodVery GoodGood1300094.8
June 2010FairFairVery GoodGood1300093.8
May 2008FairFairVery GoodGood1300093.8
May 2006FairFairVery GoodGood1300093.8
May 2004FairFairVery GoodGood1300093.8
June 2002FairFairVery GoodGood1300089.7
June 2000FairFairVery GoodGood1300088.7
June 1998FairFairVery GoodGood1300089.7
April 1995GoodGoodGoodGood1300091.0
April 1993GoodGoodGoodGood1300091.0
October 1991GoodGoodGoodGood1300091.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Closed Web/Box Girderlinear ft.7068020
Reinforced Concrete Top Flangesq. ft.806806000
Concrete Protective Coatingsq. ft.722722000
Reinforced Concrete Columneach11000
Reinforced Concrete Abutmentlinear ft.2222000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.140140000