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MORRISON ST over WILLAMETTE RIVER

Map

Coordinates:
+45.51825, -122.67106
45°31'06" N, 122°40'16" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:MORRISON ST over WILLAMETTE RIVER
Structure number:02758 000000000
Location:WILLAMETTE RIVER MP 12.8
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:285.1 ft. [86.9 m]
Total length:759.9 ft. [231.6 m]
Roadway width between curbs:68.6 ft. [20.9 m]
Deck width edge-to-edge:89.9 ft. [27.4 m]
Vertical clearance above deck:16.4 ft. [5.0 m]
Vertical clearance below bridge:68.9 ft. [21.0 m]
Owner:County Highway Agency [02]
Year built:1958
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Movable - Bascule [16]
Deck type:Other [9]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: March 2015

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:53,835 [as of 2010]
Truck traffic:10% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:51.9 tons [47.2 metric tons]
Inventory rating:30.9 tons [28.1 metric tons]
Sufficiency rating:53.9

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201553.9FairFairFairFairFO53835
March 201366.8FairFairFairFair-53835
March 201166.8FairFairFairFair-53835
April 200966.8FairFairFairFair-53835
March 200979.0FairFairSatisfactoryGood-54373
August 200779.1FairFairSatisfactoryGood-53835
July 200679.3FairFairGoodGood-52267
October 200479.1FairFairVery GoodVery Good-52267
September 200279.3FairFairVery GoodVery Good-50745
August 200079.5FairFairVery GoodVery Good-49267
July 199883.5FairFairVery GoodVery Good-22706
July 199676.1FairFairVery GoodVery Good-22706
July 199476.9GoodVery GoodVery GoodVery Good-22706
June 199244.0PoorPoorPoorVery GoodSD51130
June 199073.7FairSatisfactoryGoodVery Good-41130