HWY 1W over WB HWY 26


+45.50011, -122.67768
45°30'00" N, 122°40'40" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:HWY 1W over WB HWY 26
Structure number:06896 01W 00161
Location:1.5 MI S PORTLAND CC
Purpose:Carries highway over highway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:34.1 ft. [10.4 m]
Total length:36.7 ft. [11.2 m]
Roadway width between curbs:51.8 ft. [15.8 m]
Deck width edge-to-edge:64.6 ft. [19.7 m]
Vertical clearance below bridge:15.4 ft. [4.7 m]
Owner:State Highway Agency [01]
Year built:1946
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Concrete [1]
Main span design:Frame [07]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: February 2016 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:30,900 [as of 2014]
Truck traffic:1% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:60.8 tons [55.3 metric tons]
Inventory rating:37.0 tons [33.6 metric tons]
Sufficiency rating:90.0
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$174,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201690.0FairSatisfactorySatisfactorySatisfactoryFO30900
February 201491.2FairSatisfactorySatisfactorySatisfactoryFO18700
February 201279.9FairSatisfactorySatisfactoryFairFO18700
September 201079.9FairSatisfactorySatisfactoryFairFO18700
February 200891.2FairGoodSatisfactorySatisfactoryFO18700
May 200691.0FairGoodSatisfactorySatisfactoryFO19900
February 200686.9FairSatisfactorySatisfactorySatisfactoryFO19900
February 200487.0FairSatisfactorySatisfactorySatisfactoryFO19500
February 200286.8FairSatisfactorySatisfactorySatisfactoryFO21000
February 200084.9FairSatisfactorySatisfactorySatisfactoryFO19300
February 199888.3FairSatisfactorySatisfactorySatisfactory-6500
February 199686.4FairSatisfactorySatisfactorySatisfactoryFO6500
February 199486.4FairSatisfactorySatisfactorySatisfactoryFO6500
February 199284.4FairSatisfactorySatisfactorySatisfactoryFO6500