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OR 99E(HWY 001E) over COLUMBIA SLOUGH

Map 

Coordinates:
+45.58628, -122.66386
45°35'11" N, 122°39'50" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:OR 99E(HWY 001E) over COLUMBIA SLOUGH
Structure number:01377C01EX00441
Location:1.6 MI S OF I-5 JCT
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:77.1 ft. [23.5 m]
Total length:307.1 ft. [93.6 m]
Roadway width between curbs:53.5 ft. [16.3 m]
Deck width edge-to-edge:63.7 ft. [19.4 m]
Owner:State Highway Agency [01]
Year built:1934
Year reconstructed:1954
Historic significance:Historical significance is not determinable at this time [4]
Design load:M 13.5 / H 15 [2]
Number of main spans:4
Main spans material:Steel [3]
Main spans design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: January 2015 

Status:Open, no restriction [A]
Average daily traffic:15,500 [as of 2010]
Truck traffic:11% 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:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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 foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:30.9 tons [28.1 metric tons]
Inventory rating:17.9 tons [16.3 metric tons]
Sufficiency rating:47.2

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
January 201547.2Not deficientFairFairFair15500
January 201347.2Not deficientFairFairFair15500
January 201151.6Not deficientFairSatisfactorySatisfactory48500
January 200947.2Not deficientFairSatisfactorySatisfactory48500
January 200753.1Not deficientFairSatisfactorySatisfactory15965
January 200553.0Not deficientFairSatisfactorySatisfactory15500
January 200364.5Not deficientFairGoodSatisfactory15500
January 200164.5Not deficientFairGoodGood15400
January 199965.9Not deficientGoodGoodGood13500
January 199767.7Not deficientGoodGoodGood13500
January 199568.0Not deficientGoodGoodGood13500
January 199374.2Not deficientGoodGoodGood13500
January 199171.1Not deficientGoodGoodGood14500