+37.32639, -121.89361
37°19'35" N, 121°53'37" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:NB ROUTE 87 & RAMP over N87-N280 CON & AUZERAIS
Structure number:37 0273R
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:98.8 ft. [30.1 m]
Total length:820.9 ft. [250.2 m]
Roadway width between curbs:42.0 ft. [12.8 m]
Deck width edge-to-edge:44.9 ft. [13.7 m]
Vertical clearance below bridge:15.7 ft. [4.8 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1970
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]
Main span material:Prestressed concrete [5]
Main span design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: January 2016 

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:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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:78.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
January 201678.0Not deficientGoodVery GoodVery Good65000
January 201479.0Not deficientGoodGoodGood65000
September 201279.0Not deficientGoodGoodGood65000
January 201077.0Functionally obsoleteGoodGoodGood47500
January 200891.0Structurally deficientSeriousGoodGood47500
March 200691.0Structurally deficientSeriousGoodGood47500
January 200490.9Structurally deficientPoorGoodGood31700
March 200295.0Not deficientSatisfactoryGoodGood31700
20000.0Not applicable---31700
June 199895.0Not deficientSatisfactoryGoodGood31700
November 199596.0Not deficientVery GoodVery GoodVery Good13450
September 199395.5Not deficientVery GoodVery GoodVery Good19500
July 199192.5Functionally obsoleteVery GoodVery GoodVery Good19500