HWY 1W over HWY 61


+45.50549, -122.67761
45°30'20" N, 122°40'39" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:HWY 1W over HWY 61
Structure number:09153 01W 00129
Location:0.1 MI S PORTLAND CC
Purpose:Carries highway over highway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:89.9 ft. [27.4 m]
Total length:180.1 ft. [54.9 m]
Roadway width between curbs:89.9 ft. [27.4 m]
Deck width edge-to-edge:120.1 ft. [36.6 m]
Vertical clearance below bridge:15.4 ft. [4.7 m]
Owner:State Highway Agency [01]
Year built:1964
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:2
Main spans material:Prestressed concrete [5]
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: July 2015 

Status:Open, no restriction [A]
Average daily traffic:21,100 [as of 2014]
Truck traffic:1% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:20.7 tons [18.8 metric tons]
Inventory rating:16.1 tons [14.6 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:49.7
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$3,591,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201549.7Functionally obsoleteSatisfactoryGoodSatisfactory21100
July 201353.0Functionally obsoleteSatisfactoryGoodSatisfactory15200
July 201151.8Functionally obsoleteFairGoodGood15200
May 201051.8Functionally obsoleteFairGoodGood15200
February 200859.1Functionally obsoleteFairGoodGood15200
February 200670.9Not deficientFairGoodGood18500
February 200491.1Not deficientFairGoodGood18300
February 200289.1Structurally deficientPoorGoodGood18500
February 200089.2Not deficientGoodGoodGood18200
20000.0Not applicable---77700
February 199889.8Not deficientGoodGoodGood22000
February 199675.9Functionally obsoleteGoodGoodGood22000
February 199490.9Not deficientGoodGoodGood13900
February 199288.9Not deficientGoodGoodGood13900