+45.50351, -122.67726
45°30'13" N, 122°40'38" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:US 26 (HWY 026) over ARTHUR ST VIADUCT
Structure number:05194R026 00002
Location:1.0 MI SE PORTLAND CC
Route classification:Minor Arterial (Urban) [16]
Length of largest span:40.0 ft. [12.2 m]
Total length:338.9 ft. [103.3 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:33.1 ft. [10.1 m]
Owner:State Highway Agency [01]
Year built:1947
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:9
Main spans material:Concrete [1]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: May 2015 

Status:Open, no restriction [A]
Average daily traffic:50,600 [as of 2014]
Truck traffic:2% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:18.9 tons [17.2 metric tons]
Inventory rating:12.0 tons [10.9 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:18.6
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$1,358,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201518.6Functionally obsoleteFairFairSatisfactory50600
May 201327.4Functionally obsoleteFairFairSatisfactory9643
May 201127.4Functionally obsoleteFairFairSatisfactory9643
September 200926.0Functionally obsoleteFairFairSatisfactory9643
October 200726.3Functionally obsoleteFairFairSatisfactory9270
October 200526.3Functionally obsoleteFairFairSatisfactory9270
October 200327.3Functionally obsoleteSatisfactoryFairSatisfactory9270
October 200127.5Functionally obsoleteSatisfactorySatisfactoryFair9000
October 199939.5Functionally obsoleteSatisfactoryGoodGood9000
October 199775.4Functionally obsoleteGoodGoodVery Good8700
October 199575.3Functionally obsoleteGoodGoodVery Good8700
September 199363.9Functionally obsoleteGoodFairVery Good8700
October 199162.0Functionally obsoleteGoodFairVery Good8600