US101 (HWY 9) over Yaquina Bay


+44.62141, -124.05548
44°37'17" N, 124°03'20" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US101 (HWY 9) over Yaquina Bay
Structure number:01820 009 14168
Purpose:Carries highway over highway and waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:608.0 ft. [185.3 m]
Total length:3260.7 ft. [993.8 m]
Roadway width between curbs:26.9 ft. [8.2 m]
Deck width edge-to-edge:36.4 ft. [11.1 m]
Vertical clearance above deck:14.4 ft. [4.4 m]
Vertical clearance below bridge:128.0 ft. [39.0 m]
Owner:State Highway Agency [01]
Year built:1934
Year reconstructed:1997
Historic significance:Bridge is on the National Register of Historic Places [1]
Design load:M 13.5 / H 15 [2]
Main span material:Steel continuous [4]
Main span design:Arch - Thru [12]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: April 2018

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:15,100 [as of 2017]
Truck traffic:4% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:In place but in a deteriorated condition [3]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:82.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$21,689,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2018PoorSatisfactoryPoorSatisfactory1510082.0
June 2017PoorSatisfactoryPoorSatisfactory1530082.0
October 2015PoorSatisfactoryPoorSatisfactory144008.2
October 2013PoorSatisfactoryPoorSatisfactory153008.2
October 2011PoorSatisfactoryPoorSatisfactory153008.2
October 2009PoorSatisfactoryPoorSatisfactory1700017.2
October 2007PoorSatisfactoryPoorSatisfactory1790021.2
October 2005FairSatisfactorySatisfactorySatisfactory1640046.2
October 2003FairSatisfactoryFairSatisfactory1850035.9
October 2001FairSatisfactoryFairSatisfactory1610035.9
November 1999FairSatisfactoryFairSatisfactory1600035.9
October 1997FairSatisfactorySatisfactoryGood1350042.5
October 1995FairSatisfactorySatisfactoryGood1350042.5
October 1993FairSatisfactoryFairGood1350032.5
September 1991FairFairFairGood1395040.6

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Girder/Beamlinear ft.3,80203,770320
Steel Stringerlinear ft.11,70007,5502,9001,250
Steel Protective Coatingsq. ft.57,586011,00834,84811,730
Reinforced Concrete Stringerlinear ft.8,9904,5284,445170
Reinforced Concrete Decksq. ft.16,1404,36211,77800
Steel Archlinear ft.2,6003871,0071,2051
Steel Protective Coatingsq. ft.217,70755,671121,61035,6494,777
Reinforced Concrete Archlinear ft.1,5521,5391300
Steel Floor Beamlinear ft.1,8795481,247840
Steel Protective Coatingsq. ft.13,69604,5116,8132,372
Reinforced Concrete Floor Beamlinear ft.2,5022,20030110
Reinforced Concrete Top Flangesq. ft.70,03656,88512,4796720
Wearing Surfacessq. ft.52,04542,8459,20000
Steel Pin or Pin & Hangar Assemblyeach6459500
Steel Protective Coatingsq. ft.1480138100
Steel Gusset Plateeach440663132122
Steel Protective Coatingsq. ft.13,480011,8541,340286
Reinforced Concrete Columneach4031630
Reinforced Concrete Pier Walllinear ft.38442323190
Reinforced Concrete Abutmentlinear ft.144144000
Reinforced Concrete Pile Cap/Footinglinear ft.1,1901,1454500
Reinforced Concrete Pier Caplinear ft.75865310410
Concrete Filled Grid Decksq. ft.35,10028,6006,0005000
Wearing Surfacessq. ft.35,100035,10000
Strip Seal Jointlinear ft.189189000
Compression Jointlinear ft.7596529494
Other Jointlinear ft.23417823330
Movable Bearingeach172416440
Steel Protective Coatingsq. ft.104040100
Fixed Bearingeach1210020
Steel Protective Coatingsq. ft.1,40001,40000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.3,6001,7241,87600
Steel Protective Coatingsq. ft.23,8002,36211,26710,1710
Reinforced Concrete Bridge Raillinear ft.3,8733,658202130