+37.31194, -121.88500
37°18'43" N, 121°53'06" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:SB STATE ROUTE 87 over NB87,SB280,NB680 ON-RAMP
Structure number:37 0421L
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:70.5 ft. [21.5 m]
Deck width edge-to-edge:73.8 ft. [22.5 m]
Vertical clearance below bridge:17.7 ft. [5.4 m]
Skew angle:43°
Owner:State Highway Agency [01]
Year built:1990
Year reconstructed:2007
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 2013 

Status:Open, no restriction [A]
Average daily traffic:65,000 [as of 2009]
Truck traffic:3% of total traffic
Deck condition:Good [7 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:Meets minimum tolerable limits to be left in place as is [4]
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:91.8

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201391.8Not deficientGoodVery GoodGood65000
April 201193.4Not deficientGoodVery GoodGood47500
April 200993.4Not deficientGoodVery GoodGood47500
July 200794.5Not deficientGoodVery GoodGood47500
June 200594.5Not deficientFairVery GoodGood47500
January 200494.5Not deficientFairVery GoodGood47500
January 200295.1Not deficientSatisfactoryVery GoodGood52400
October 199989.8Structurally deficientSeriousVery GoodGood52400
June 199894.0Not deficientGoodVery GoodGood52400
October 199598.5Not deficientGoodVery GoodGood5000
May 199399.0Not deficientGoodGoodVery Good-