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COLUMBIA ST CO over HWY 61

Map 

Coordinates:
+45.51632, -122.68825
45°30'59" N, 122°41'18" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:COLUMBIA ST CO over HWY 61
Structure number:09253 061 00172
Location:0.1 MI N OF MARKET ST
Purpose:Carries highway over highway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:133.9 ft. [40.8 m]
Total length:263.1 ft. [80.2 m]
Roadway width between curbs:39.4 ft. [12.0 m]
Deck width edge-to-edge:60.0 ft. [18.3 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1967
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:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: July 2015 

Status:Open, no restriction [A]
Average daily traffic:100,000 [as of 2014]
Truck traffic:5% of total traffic
Deck condition:Fair [5 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: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:47.1 tons [42.8 metric tons]
Inventory rating:36.3 tons [33.0 metric tons]
Sufficiency rating:78.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201578.0Not deficientFairGoodGood100000
July 201378.0Not deficientFairGoodGood93500
July 201180.0Not deficientSatisfactoryGoodGood93500
May 201080.0Not deficientSatisfactoryGoodGood93500
May 200886.0Not deficientSatisfactoryGoodGood93500
May 200697.5Not deficientSatisfactoryGoodGood4841
May 200481.4Not deficientSatisfactoryGoodGood4700
March 200270.0Not deficientSatisfactoryVery GoodVery Good121680
March 200065.3Functionally obsoleteSatisfactoryVery GoodVery Good93600
20000.0Not applicable---66800
March 199875.5Functionally obsoleteSatisfactoryVery GoodVery Good12000
March 199675.8Functionally obsoleteSatisfactoryVery GoodVery Good12000
March 199475.8Functionally obsoleteSatisfactoryVery GoodVery Good12000
March 199279.8Functionally obsoleteSatisfactoryVery GoodVery Good12000
March 199079.9Functionally obsoleteGoodGoodVery Good11400