+37.80833, -122.27500
37°48'30" N, 122°16'30" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:18TH ST over INTERSTATE 980
Structure number:33 0460
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Local (Urban) [19]
Length of largest span:119.1 ft. [36.3 m]
Total length:237.9 ft. [72.5 m]
Roadway width between curbs:53.8 ft. [16.4 m]
Deck width edge-to-edge:69.6 ft. [21.2 m]
Vertical clearance below bridge:16.7 ft. [5.1 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1973
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: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 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:5,000 [as of 1998]
Truck traffic:2% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:103.7 tons [94.3 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:92.5

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201692.5FairGoodSatisfactoryVery Good-5000
May 201492.5FairSatisfactoryVery GoodGood-5000
May 201292.5FairSatisfactoryVery GoodGood-5000
June 201092.5FairSatisfactoryVery GoodGood-5000
May 200892.5FairSatisfactoryVery GoodGood-5000
May 200692.5FairSatisfactoryVery GoodGood-5000
May 200492.5FairSatisfactoryVery GoodGood-5000
June 200292.5FairSatisfactoryVery GoodGood-5000
June 200092.5FairSatisfactoryVery GoodGood-5000
June 199885.5PoorPoorVery GoodGoodSD5000
April 199588.6GoodGoodGoodGoodFO5000
April 199388.6GoodGoodGoodGoodFO5000
April 199088.6GoodGoodGoodGoodFO5000