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NB STATE ROUTE 87 over NB87,SB280,NB680 ON-RAMP

Map

Coordinates:
+37.31222, -121.88472
37°18'44" N, 121°53'05" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NB STATE ROUTE 87 over NB87,SB280,NB680 ON-RAMP
Structure number:37 0421R
Location:04-SCL-087-4.23-SJS
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:77.1 ft. [23.5 m]
Total length:186.0 ft. [56.7 m]
Roadway width between curbs:53.2 ft. [16.2 m]
Deck width edge-to-edge:56.8 ft. [17.3 m]
Vertical clearance below bridge:17.1 ft. [5.2 m]
Skew angle:43°
Owner:State Highway Agency [01]
Year built:1990
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:3
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: April 2015

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:65,000 [as of 2009]
Truck traffic:3% of total traffic
Deck condition:Very Good [8 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:Better than present minimum criteria [7]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Operating rating:59.5 tons [54.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:93.9

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201593.9GoodVery GoodVery GoodGood-65000
April 201393.9GoodGoodVery GoodGood-65000
April 201192.4PoorPoorVery GoodGood-47500
April 200992.4PoorPoorVery GoodGood-47500
July 200790.3PoorSeriousVery GoodGoodSD47500
June 200590.3PoorSeriousVery GoodGoodSD47500
January 200490.3PoorSeriousVery GoodGoodSD47500
January 200290.9PoorPoorVery GoodGoodSD52400
October 199994.1FairSatisfactoryVery GoodGood-52400
June 199893.0GoodGoodVery GoodGood-52400
October 199698.5GoodGoodVery GoodGood-5000
May 199399.0GoodGoodGoodVery Good--

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Prestressed Concrete Closed Web/Box Girderlinear ft.5656000
Deck
Reinforced Concrete Top Flangesq. ft.9809602000
Concrete Protective Coatingsq. ft.918918000
Substructure
Reinforced Concrete Columneach44000
Reinforced Concrete Abutmentlinear ft.41281210
Prestressed Concrete Pileeach11000
Reinforced Concrete Pileeach11000
Joints
Pourable Jointlinear ft.2323000
Compression Jointlinear ft.1800018
Bearings
Enclosed/Concealed Bearingeach22000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.113803210