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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 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:15,700 [as of 2014]
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]
Pier/abutment protection:Navigation protection not required [1]
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:47.1

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201747.1FairFairFairFair-15700
January 201547.2FairFairFairFair-15500
January 201347.2FairFairFairFair-15500
January 201151.6FairFairSatisfactorySatisfactory-48500
January 200947.2FairFairSatisfactorySatisfactory-48500
January 200753.1FairFairSatisfactorySatisfactory-15965
January 200553.0FairFairSatisfactorySatisfactory-15500
January 200364.5FairFairGoodSatisfactory-15500
January 200164.5FairFairGoodGood-15400
January 199965.9GoodGoodGoodGood-13500
January 199767.7GoodGoodGoodGood-13500
January 199568.0GoodGoodGoodGood-13500
January 199374.2GoodGoodGoodGood-13500
January 199171.1GoodGoodGoodGood-14500