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STATE ROUTE 84 over SAN FRANCISCO BAY-SOUTH

Map

Coordinates:
+37.50583, -122.11833
37°30'21" N, 122°07'06" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:STATE ROUTE 84 over SAN FRANCISCO BAY-SOUTH
Structure number:35 0038
Location:04-SM-084-R29.25-MLP
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:339.9 ft. [103.6 m]
Total length:8600.5 ft. [2621.3 m]
Roadway width between curbs:69.9 ft. [21.3 m]
Deck width edge-to-edge:85.0 ft. [25.9 m]
Vertical clearance below bridge:85.0 ft. [25.9 m]
Owner:State Highway Agency [01]
Year built:1981
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:15
Main spans material:Steel continuous [4]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: June 2015

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:57,000 [as of 2009]
Truck traffic:4% 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:Better than present minimum criteria [7]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:There are no noticeable or noteworthy deficiencies which affect the condition of the channel. [9]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:58.9 tons [53.5 metric tons]
Inventory rating:35.9 tons [32.6 metric tons]
Sufficiency rating:66.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$114,088,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
June 201566.0GoodVery GoodGoodVery GoodFO57000
June 201355.0FairSatisfactoryFairGoodFO57000
October 201166.0FairSatisfactorySatisfactoryGoodFO57000
June 201066.0FairSatisfactoryGoodGoodFO59800
December 200966.0FairSatisfactoryGoodGoodFO59800
December 200865.0FairFairSatisfactoryGoodFO59800
December 200785.0GoodGoodGoodGood-59800
October 200685.0GoodGoodGoodGood-59800
March 200685.0GoodGoodGoodGood-59800
November 200485.0GoodGoodGoodGood-59800
December 200385.0GoodGoodGoodGood-59800
April 200385.0GoodGoodGoodGood-59800
October 200185.0GoodGoodGoodGood-59800
October 199985.0GoodGoodGoodGood-59800
August 199885.0GoodGoodGoodGood-59800
August 199585.0GoodGoodVery GoodVery Good-52000
May 199585.0GoodGoodVery GoodVery Good-52000
May 199385.0GoodGoodVery GoodVery Good-45500
April 199185.0GoodGoodVery GoodVery Good-45500

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Closed Web/Box Girderlinear ft.1,92001,823970
Steel Protective Coatingsq. ft.70,51267,26003,2520
Prestressed Concrete Closed Web/Box Girderlinear ft.6,3251,6154,71000
Deck
Reinforced Concrete Decksq. ft.24,87424,67719700
Reinforced Concrete Top Flangesq. ft.33,56033,560000
Wearing Surfacessq. ft.2,3242,324000
Superstructure
Steel Pin or Pin & Hangar Assemblyeach88000
Steel Protective Coatingsq. ft.2217500
Substructure
Reinforced Concrete Columneach8280200
Reinforced Concrete Pier Walllinear ft.1551035200
Reinforced Concrete Abutmentlinear ft.5252000
Reinforced Concrete Pile Cap/Footinglinear ft.1,6061,606000
Steel Pileeach1,4871,487000
Prestressed Concrete Pileeach246246000
Reinforced Concrete Pileeach252251100
Prestressed Concrete Pier Caplinear ft.610610000
Reinforced Concrete Pier Caplinear ft.334334000
Joints
Strip Seal Jointlinear ft.155155000
Pourable Jointlinear ft.5251010
Compression Jointlinear ft.259259000
Assembly with Sealeach5252000
Other Jointlinear ft.5245070
Bearings
Elastomeric Bearingeach384384000
Enclosed/Concealed Bearingeach1010000
Pot Bearingeach9696000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.10,51224310,26450
Deck
Reinforced Concrete Slabsq. ft.9,4769,4314500
Wearing Surfacessq. ft.1,5791,579000