ROUTE 980 over 29TH STREET


+37.81855, -122.26937
37°49'07" N, 122°16'10" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:ROUTE 980 over 29TH STREET
Structure number:33 0349R
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:62.0 ft. [18.9 m]
Total length:122.1 ft. [37.2 m]
Roadway width between curbs:128.6 ft. [39.2 m]
Deck width edge-to-edge:171.3 ft. [52.2 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1969
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:3
Main spans material:Concrete continuous [2]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: May 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:57,500 [as of 2009]
Truck traffic:3% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:83.1

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2016GoodVery GoodGoodVery Good5750083.1
May 2014GoodGoodGoodGood5750083.1
May 2012GoodGoodGoodGood5750092.6
May 2008GoodGoodGoodGood5375093.0
May 2006FairFairGoodGood5375091.9
May 2004FairFairGoodGood5375091.9
May 2002FairFairGoodGood9435090.1
June 2000FairFairGoodGood9435090.0
June 1998PoorPoorGoodGood9435087.8
April 1995GoodGoodGoodGood8685092.4
April 1993GoodGoodGoodGood6750093.9
September 1991GoodGoodGoodGood6750093.9

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Reinforced Concrete Closed Web/Box Girderlinear ft.149777200
Reinforced Concrete Top Flangesq. ft.2,0002,000000
Concrete Protective Coatingsq. ft.1,9201,920000
Reinforced Concrete Pier Walllinear ft.105100500
Reinforced Concrete Abutmentlinear ft.130130000
Reinforced Concrete Pileeach11000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3838000
Other Material Bridge Raillinear ft.3838000