ROUTE 980 over 29TH STREET


+37.81833, -122.26833
37°49'06" N, 122°16'06" 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:161.1 ft. [49.1 m]
Deck width edge-to-edge:165.0 ft. [50.3 m]
Vertical clearance below bridge:15.7 ft. [4.8 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:Very Good [8 out of 9]
Substructure condition:Very Good [8 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]
Operating rating:41.4 tons [37.6 metric tons]
Inventory rating:31.7 tons [28.8 metric tons]
Sufficiency rating:90.2

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201690.2GoodVery GoodVery GoodVery Good-57500
May 201490.2GoodGoodGoodGood-57500
May 201292.6GoodGoodGoodGood-57500
May 200893.0GoodGoodGoodGood-53750
May 200689.8PoorPoorGoodGoodSD53750
May 200489.8PoorPoorGoodGoodSD53750
May 200287.8PoorPoorGoodGoodSD94350
June 200091.2FairSatisfactoryGoodGood-94350
June 199887.8PoorPoorGoodGoodSD94350
April 199592.4GoodGoodGoodGood-86850
April 199393.9GoodGoodGoodGood-67500
September 199193.9GoodGoodGoodGood-67500