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 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: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: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]
Operating rating:34.2 tons [31.1 metric tons]
Inventory rating:26.4 tons [24.0 metric tons]
Sufficiency rating:83.1

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201683.1GoodVery GoodGoodVery Good-57500
May 201483.1GoodGoodGoodGood-57500
May 201292.6GoodGoodGoodGood-57500
May 200893.0GoodGoodGoodGood-53750
May 200691.9FairFairGoodGood-53750
May 200491.9FairFairGoodGood-53750
May 200290.1FairFairGoodGood-94350
June 200090.0FairFairGoodGood-94350
June 199887.8PoorPoorGoodGoodSD94350
April 199592.4GoodGoodGoodGood-86850
April 199393.9GoodGoodGoodGood-67500
September 199193.9GoodGoodGoodGood-67500