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MORRISON ST over WILLAMETTE RIVER

Map

Coordinates:
+45.51773, -122.66929
45°31'04" N, 122°40'09" 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 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:53,835 [as of 2010]
Truck traffic:10% of total traffic
Deck condition:Satisfactory [6 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]
Sufficiency rating:55.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2018FairSatisfactoryFairFair5383555.0
March 2017PoorPoorFairFair5383551.7
March 2015FairFairFairFair5383553.9
March 2013FairFairFairFair5383566.8
March 2011FairFairFairFair5383566.8
April 2009FairFairFairFair5383566.8
March 2009FairFairSatisfactoryGood5437379.0
August 2007FairFairSatisfactoryGood5383579.1
July 2006FairFairGoodGood5226779.3
October 2004FairFairVery GoodVery Good5226779.1
September 2002FairFairVery GoodVery Good5074579.3
August 2000FairFairVery GoodVery Good4926779.5
July 1998FairFairVery GoodVery Good2270683.5
July 1996FairFairVery GoodVery Good2270676.1
July 1994GoodVery GoodVery GoodVery Good2270676.9
June 1992PoorPoorPoorVery Good5113044.0
June 1990FairSatisfactoryGoodVery Good4113073.7

Element Data

Source: National Bridge Elements dataset, 2019 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.540430100100
Reinforced Concrete Pile Cap/Footinglinear ft.1,3483497102890
Deck
Concrete Filled Grid Decksq. ft.59,40022,19036,9502600
Wearing Surfacessq. ft.17,04317,043000
Steel Protective Coatingsq. ft.59,40021,60037,80000
Joints
Pourable Jointlinear ft.36031525200
Compression Jointlinear ft.780780000
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