+37.75500, -122.40361
37°45'18" N, 122°24'13" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:23RD STREET over U.S. HIGHWAY 101
Structure number:34 0035
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:122.1 ft. [37.2 m]
Total length:128.0 ft. [39.0 m]
Roadway width between curbs:42.0 ft. [12.8 m]
Deck width edge-to-edge:44.0 ft. [13.4 m]
Vertical clearance below bridge:15.1 ft. [4.6 m]
Owner:State Highway Agency [01]
Year built:1953
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: January 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:4,513 [as of 2010]
Truck traffic:1% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:95.5 tons [86.8 metric tons]
Inventory rating:57.0 tons [51.8 metric tons]
Sufficiency rating:92.3

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201692.3FairSatisfactoryVery GoodGoodFO4513
December 201392.3FairSatisfactoryGoodGoodFO4513
February 201292.3FairSatisfactoryGoodGoodFO4513
December 200989.3PoorPoorGoodGoodSD4513
February 200889.3PoorPoorGoodGoodSD4513
January 200689.3PoorPoorSatisfactoryGoodSD4513
February 200487.3PoorSeriousSatisfactoryGoodSD4513
January 200289.2PoorPoorSatisfactoryGoodSD4944
February 200089.2PoorSeriousSatisfactoryGoodSD4944
September 199891.3FairFairSatisfactoryGoodFO4944
May 199694.3FairSatisfactorySatisfactoryGood-4944
May 199492.2GoodGoodGoodGoodFO4944
January 199292.2GoodGoodGoodGoodFO4944