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N.E. 92ND AVE. over B-85 X COLUMBIA SLOUGH

Map 

Coordinates:
+45.56847, -122.56738
45°34'06" N, 122°34'03" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:N.E. 92ND AVE. over B-85 X COLUMBIA SLOUGH
Structure number:25T13 000
Location:0.2 MI N OF COLUMBIA BLVD
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Local (Urban) [19]
Length of largest span:21.0 ft. [6.4 m]
Total length:63.0 ft. [19.2 m]
Roadway width between curbs:24.3 ft. [7.4 m]
Deck width edge-to-edge:33.1 ft. [10.1 m]
Skew angle:10°
Owner:City or Municipal Highway Agency [04]
Year built:1961
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:Prestressed concrete [5]
Main spans design:Slab [01]
Deck type:Concrete Precast Panels [2]
Wearing surface:Bituminous [6]

Latest Available Inspection: July 2014 

Status:Open, no restriction [A]
Average daily traffic:218 [as of 2010]
Truck traffic:1% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Operating rating:82.8 tons [75.3 metric tons]
Inventory rating:49.9 tons [45.4 metric tons]
Sufficiency rating:91.5

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201491.5Not deficientGoodGoodSatisfactory218
July 201291.5Not deficientGoodGoodSatisfactory218
August 201091.5Not deficientGoodSatisfactorySatisfactory218
November 200896.0Not deficientGoodSatisfactorySatisfactory218
June 200699.0Not deficientGoodSatisfactoryGood210
September 200498.0Not deficientSatisfactoryGoodGood210
July 200298.0Not deficientGoodGoodGood204
May 200098.0Not deficientVery GoodSatisfactoryVery Good200
October 199898.0Not deficientVery GoodGoodVery Good200
November 199699.0Not deficientVery GoodGoodVery Good50
December 199499.0Not deficientVery GoodGoodVery Good50
January 199398.0Not deficientVery GoodVery GoodGood200
February 199197.0Not deficientVery GoodGoodSatisfactory200