MORRISON ST over I-5 & OR 99E


+45.51752, -122.66709
45°31'03" N, 122°40'02" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:MORRISON ST over I-5 & OR 99E
Structure number:08589 614 00005
Purpose:Carries highway and pedestrian walkway over highway and railroad
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:133.9 ft. [40.8 m]
Total length:1548.6 ft. [472.0 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:48.9 ft. [14.9 m]
Vertical clearance above deck:15.1 ft. [4.6 m]
Vertical clearance below bridge:15.1 ft. [4.6 m]
Skew angle:15°
Owner:County Highway Agency [02]
Year built:1955
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:23
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: March 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:29,639 [as of 2010]
Truck traffic:10% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:33.9 tons [30.8 metric tons]
Inventory rating:19.9 tons [18.1 metric tons]
Sufficiency rating:62.1
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$13,736,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201562.1FairSatisfactoryGoodGoodFO29639
March 201332.6FairSatisfactoryGoodGoodFO29639
March 201132.6FairSatisfactoryGoodGoodFO29639
February 200929.7FairSatisfactoryGoodGoodFO29639
October 200630.2FairSatisfactoryGoodGoodFO28491
October 200429.9FairSatisfactoryGoodGoodFO28491
September 200230.2FairSatisfactoryGoodGoodFO27662
July 200030.6FairSatisfactoryGoodGoodFO26856
July 199835.2FairSatisfactoryGoodGoodFO16365
July 199668.2FairSatisfactoryGoodGoodFO16365
July 199467.9GoodGoodGoodGoodFO16365
July 199267.0FairFairGoodGoodFO15730
July 199082.1FairGoodSatisfactoryVery Good-13200