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N WILLAMETTE BLVD over B-7 HALF-VIADUCT

Map 

Coordinates:
+45.57430, -122.70541
45°34'27" N, 122°42'19" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:N WILLAMETTE BLVD over B-7 HALF-VIADUCT
Structure number:25B07 000 00230
Location:BTWN N WASHBURN/N CHASE
Route classification:Collector (Urban) [17]
Length of largest span:13.1 ft. [4.0 m]
Total length:112.9 ft. [34.4 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:15.1 ft. [4.6 m]
Owner:City or Municipal Highway Agency [04]
Year built:1941
Year reconstructed:1971
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:11
Main spans material:Concrete continuous [2]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: July 2015 

Status:Posted for load [P]
Average daily traffic:10,715 [as of 2010]
Truck traffic:3% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:27.0 tons [24.5 metric tons]
Inventory rating:16.0 tons [14.5 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:56.4
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$637,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201556.4Structurally deficientFairFairFair10715
July 201456.4Structurally deficientFairFairFair10715
July 201367.4Structurally deficientSatisfactorySatisfactorySatisfactory10715
August 201069.2Structurally deficientSatisfactorySatisfactorySatisfactory10715
November 200869.2Structurally deficientSatisfactorySatisfactorySatisfactory10715
June 200669.2Structurally deficientSatisfactorySatisfactorySatisfactory10300
September 200459.0Structurally deficientSatisfactoryFairSatisfactory10300
July 200269.0Structurally deficientGoodSatisfactorySatisfactory10000
May 200069.0Structurally deficientGoodSatisfactorySatisfactory10000
June 199869.0Structurally deficientGoodSatisfactorySatisfactory10000
July 199669.0Structurally deficientGoodSatisfactorySatisfactory10000
August 199496.0Not deficientGoodSatisfactorySatisfactory17600
October 199296.0Not deficientVery GoodGoodSatisfactory17600
November 19900.0Not applicableVery Good-Satisfactory18250