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 

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]
Evaluation:Functionally obsolete [2]
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. ratingEvaluationDeckSuper.Sub.ADT
March 201562.1Functionally obsoleteSatisfactoryGoodGood29639
March 201332.6Functionally obsoleteSatisfactoryGoodGood29639
March 201132.6Functionally obsoleteSatisfactoryGoodGood29639
February 200929.7Functionally obsoleteSatisfactoryGoodGood29639
October 200630.2Functionally obsoleteSatisfactoryGoodGood28491
October 200429.9Functionally obsoleteSatisfactoryGoodGood28491
September 200230.2Functionally obsoleteSatisfactoryGoodGood27662
July 200030.6Functionally obsoleteSatisfactoryGoodGood26856
20000.0Not applicable---96300
July 199835.2Functionally obsoleteSatisfactoryGoodGood16365
July 199668.2Functionally obsoleteSatisfactoryGoodGood16365
July 199467.9Functionally obsoleteGoodGoodGood16365
July 199267.0Functionally obsoleteFairGoodGood15730
July 199082.1Not deficientGoodSatisfactoryVery Good13200