BIRD AVENUE over S280-87, I280, 87-N280


+37.32167, -121.89667
37°19'18" N, 121°53'48" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:BIRD AVENUE over S280-87, I280, 87-N280
Structure number:37 0267
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:149.9 ft. [45.7 m]
Total length:289.1 ft. [88.1 m]
Roadway width between curbs:100.1 ft. [30.5 m]
Deck width edge-to-edge:119.1 ft. [36.3 m]
Vertical clearance below bridge:17.1 ft. [5.2 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1969
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:2
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: February 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:15,300 [as of 2002]
Truck traffic:2% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:85.9 tons [78.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:87.8

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201787.8GoodGoodGoodGood-15300
February 201587.8GoodVery GoodGoodVery Good-15300
February 201387.8GoodGoodVery GoodGood-15300
February 201184.6PoorPoorVery GoodGoodSD15300
February 200984.6PoorPoorVery GoodGoodSD15300
March 200786.8FairFairVery GoodGood-15300
March 200586.8FairFairVery GoodGood-15300
February 200394.0FairFairVery GoodGood--
April 200194.0FairFairVery GoodGood--
February 199995.0FairSatisfactoryVery GoodGood--
September 199691.0FairSatisfactoryVery GoodGood--
September 199491.0GoodGoodVery GoodVery Good--
October 199291.0GoodGoodVery GoodVery Good--
December 198991.0GoodGoodVery GoodVery Good--