ROUTE 980 over 29TH STREET


+37.81869, -122.26999
37°49'07" N, 122°16'12" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:ROUTE 980 over 29TH STREET
Structure number:33 0349L
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:163.1 ft. [49.7 m]
Deck width edge-to-edge:165.0 ft. [50.3 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 2018

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: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: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:90.2

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2018GoodGoodGoodGood5750090.2
May 2016GoodVery GoodVery GoodVery Good5750090.2
May 2014GoodGoodGoodGood5750090.2
May 2012GoodGoodGoodGood5750092.6
May 2008GoodGoodGoodGood5375093.0
May 2006PoorPoorGoodGood5375089.8
May 2004PoorPoorGoodGood5375089.8
May 2002PoorPoorGoodGood9435087.8
June 2000FairSatisfactoryGoodGood9435091.2
June 1998PoorPoorGoodGood9435087.8
April 1995GoodGoodGoodGood8685092.4
April 1993GoodGoodGoodGood6750093.9
September 1991GoodGoodGoodGood6750093.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Closed Web/Box Girderlinear ft.186186000
Reinforced Concrete Top Flangesq. ft.1,8711,8343700
Concrete Protective Coatingsq. ft.1,7971,797000
Reinforced Concrete Pier Walllinear ft.100100000
Reinforced Concrete Abutmentlinear ft.112112000
Reinforced Concrete Pileeach11000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.7878000