+46.35925, -123.56708
46°21'33" N, 123°34'01" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR 4 over GRAYS RIVER
Structure number:0002331A0000000
Location:14.6 E JCT SR 401
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:220.2 ft. [67.1 m]
Total length:283.2 ft. [86.3 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:25.9 ft. [7.9 m]
Vertical clearance above deck:14.8 ft. [4.5 m]
Owner:State Highway Agency [01]
Year built:1938
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:M 13.5 / H 15 [2]
Main span material:Steel [3]
Main span design:Truss - Thru [10]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: September 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,145 [as of 2012]
Truck traffic:34% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
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]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:44.5
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$3,396,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018FairSatisfactoryFairSatisfactory114544.5
September 2016FairSatisfactoryFairSatisfactory114540.7
September 2014FairSatisfactorySatisfactorySatisfactory114552.0
September 2012FairSatisfactorySatisfactorySatisfactory114752.0
November 2010FairSatisfactorySatisfactorySatisfactory164151.7
October 2008FairSatisfactorySatisfactorySatisfactory164151.7
June 2006FairSatisfactorySatisfactorySatisfactory142851.7
July 2004FairSatisfactorySatisfactorySatisfactory142851.7
August 2002FairSatisfactorySatisfactorySatisfactory142851.7
June 2000FairSatisfactorySatisfactoryGood142846.5
March 1998FairSatisfactorySatisfactoryFair126536.5
March 1996FairSatisfactorySatisfactoryGood126544.5
March 1994GoodGoodGoodGood167544.5
October 1992GoodGoodGoodGood167544.5
October 1990FairSatisfactoryGoodGood167544.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Girder/Beamlinear ft.248248000
Steel Stringerlinear ft.1,1001,0200800
Steel Protective Coatingsq. ft.6,3016,015062224
Reinforced Concrete Decksq. ft.6,7926,76022010
Wearing Surfacessq. ft.1,72001,72000
Steel Trusslinear ft.4403840560
Steel Protective Coatingsq. ft.25,20724,0620251894
Steel Floor Beamlinear ft.2341500840
Steel Protective Coatingsq. ft.1,3401,27901348
Steel Gusset Plateeach3232000
Reinforced Concrete Pier Walllinear ft.7272000
Reinforced Concrete Abutmentlinear ft.6666000
Reinforced Concrete Pile Cap/Footinglinear ft.11000
Strip Seal Jointlinear ft.4804800
Pourable Jointlinear ft.4804800
Open Jointlinear ft.2160168048
Movable Bearingeach22000
Fixed Bearingeach22000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.442442000
Reinforced Concrete Bridge Raillinear ft.124124000