US 26 (HWY 047) over RIGID FRAME O'XING 18TH


+45.51534, -122.69374
45°30'55" N, 122°41'37" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:US 26 (HWY 047) over RIGID FRAME O'XING 18TH
Structure number:09392 047 07370
Location:0.8 MI W OF PORTLAND CC
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:42.0 ft. [12.8 m]
Total length:46.9 ft. [14.3 m]
Roadway width between curbs:100.1 ft. [30.5 m]
Deck width edge-to-edge:159.8 ft. [48.7 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1968
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:Other [9]

Latest Available Inspection: October 2014 

Status:Open, no restriction [A]
Average daily traffic:67,800 [as of 2010]
Truck traffic:4% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
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:96.9 tons [88.1 metric tons]
Inventory rating:74.8 tons [68.0 metric tons]
Sufficiency rating:91.5

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201491.5Not deficientSatisfactorySatisfactoryGood67800
October 201291.5Not deficientGoodGoodSatisfactory67800
September 201091.5Not deficientGoodGoodSatisfactory67800
September 200891.5Not deficientGoodGoodGood67800
September 200668.0Not deficientSatisfactorySatisfactorySatisfactory138020
September 200468.0Not deficientSatisfactorySatisfactorySatisfactory138020
September 200285.1Not deficientGoodGoodGood134000
September 200091.8Not deficient-GoodGood64400
September 199889.7Not deficient-GoodGood64400
September 199684.8Not deficient-GoodGood113600
September 199487.1Not deficient-GoodGood113600
September 199287.1Not deficient-GoodGood113600
October 199065.8Functionally obsolete-Very GoodVery Good112200