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U.S. HIGHWAY 101 over GOLDEN GATE-SAN FRAN BAY

Map

Coordinates:
+37.82000, -122.47667
37°49'12" N, 122°28'36" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:U.S. HIGHWAY 101 over GOLDEN GATE-SAN FRAN BAY
Structure number:27 0052
Location:04-MRN-101-L0.01
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Tolls:Yes [1]
Length of largest span:4200.3 ft. [1280.2 m]
Total length:8997.5 ft. [2742.3 m]
Roadway width between curbs:62.0 ft. [18.9 m]
Deck width edge-to-edge:62.0 ft. [18.9 m]
Vertical clearance below bridge:220.2 ft. [67.1 m]
Owner:Local Toll Authority [32]
Year built:1937
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Number of main spans:3
Main spans material:Steel [3]
Main spans design:Suspension [13]
Deck type:Steel plate (includes orthotropic) [5]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: December 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:103,841 [as of 2011]
Truck traffic:1% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:There are no noticeable or noteworthy deficiencies which affect the condition of the channel. [9]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:50.6 tons [46.0 metric tons]
Inventory rating:39.2 tons [35.6 metric tons]
Sufficiency rating:59.9
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$254,378,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201659.9FairSatisfactorySatisfactoryGoodFO103841
October 201459.9FairSatisfactorySatisfactoryGoodFO11500
April 200811.7----FO11500
April 200458.9GoodGoodGoodGoodFO108000
May 200159.9GoodGoodGoodGoodFO116236
September 198958.9GoodExcellentGoodGoodFO111300