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MORRISON ST over WILLAMETTE RIVER

Map

Coordinates:
+45.51825, -122.67106
45°31'06" N, 122°40'16" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
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

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.86456430000
Steel Protective Coatingsq. ft.14,2301,83410,9731,4230
Reinforced Concrete Girder/Beamlinear ft.192192000
Steel Stringerlinear ft.11,4006,5154,6572280
Steel Protective Coatingsq. ft.60,59028,40220,0706,0596,059
Deck
Reinforced Concrete Decksq. ft.4,7504,7005000
Superstructure
Steel Trusslinear ft.1,5203877533800
Steel Protective Coatingsq. ft.72,96029,18429,18410,9443,648
Steel Floor Beamlinear ft.3,0361,0141,8092130
Steel Protective Coatingsq. ft.25,5007,39512,7503,5701,785
Steel Gusset Plateeach843224280
Steel Protective Coatingsq. ft.3,1281,2551,032580261
Substructure
Reinforced Concrete Pier Walllinear ft.54044090100
Reinforced Concrete Pile Cap/Footinglinear ft.100010000
Deck
Concrete Filled Grid Decksq. ft.37,80059036,9502600
Steel Protective Coatingsq. ft.37,800037,80000
Joints
Pourable Jointlinear ft.3603204000
Assembly with Sealeach2702106000
Open Jointlinear ft.360360000
Bearings
Movable Bearingeach6206200
Steel Protective Coatingsq. ft.62038240
Fixed Bearingeach2002000
Steel Protective Coatingsq. ft.2009110
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1,8251,7497600
Reinforced Concrete Bridge Raillinear ft.475475000
Deck
Other Material Decksq. ft.21,60010,6000011,000
Wearing Surfacessq. ft.20,0006,0002,5005,0006,500