+37.74833, -122.14500
37°44'54" N, 122°08'42" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:INTERSTATE 580 over 106TH AVE
Structure number:33 0355
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:89.9 ft. [27.4 m]
Total length:193.9 ft. [59.1 m]
Roadway width between curbs:138.1 ft. [42.1 m]
Deck width edge-to-edge:140.8 ft. [42.9 m]
Vertical clearance below bridge:15.1 ft. [4.6 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1965
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:3
Main spans material:Concrete continuous [2]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: September 2015 

Status:Open, no restriction [A]
Average daily traffic:140,000 [as of 2009]
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:Superior to present desirable criteria [9]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:52.4 tons [47.6 metric tons]
Inventory rating:40.6 tons [36.9 metric tons]
Sufficiency rating:82.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201582.0Not deficientVery GoodGoodVery Good140000
September 201382.0Not deficientGoodGoodGood140000
October 201185.0Not deficientGoodGoodGood140000
September 200985.0Not deficientGoodGoodGood166000
October 200785.0Not deficientGoodGoodGood166000
September 200585.0Not deficientGoodGoodGood166000
August 200485.0Not deficientGoodGoodGood166000
September 200280.0Structurally deficientSeriousGoodGood137000
September 200080.0Structurally deficientSeriousGoodGood145200
September 199881.0Structurally deficientPoorGoodGood145200
September 199685.1Not deficientSatisfactoryGoodGood138100
October 199487.6Not deficientGoodGoodGood138100
October 199288.6Not deficientGoodGoodGood125600
September 199088.6Not deficientGoodGoodGood125600