SR 505 over I-5


+46.47575, -122.88356
46°28'33" N, 122°53'01" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR 505 over I-5
Structure number:0004485A0000000
Location:JCT I-5
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Major Collector (Rural) [07]
Length of largest span:60.0 ft. [18.3 m]
Total length:207.0 ft. [63.1 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:34.1 ft. [10.4 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:State Highway Agency [01]
Year built:1954
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:4
Main spans material:Concrete continuous [2]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: November 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:4,093 [as of 2016]
Truck traffic:7% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 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 corrrective action [3]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:54.3
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$3,312,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2017FairGoodSatisfactoryGood409354.3
November 2015FairGoodSatisfactoryGood314374.1
November 2013FairGoodSatisfactoryGood314374.1
November 2011FairGoodSatisfactoryGood331273.9
November 2009FairSatisfactorySatisfactoryGood406673.3
December 2007FairSatisfactorySatisfactoryGood410173.3
November 2005FairSatisfactorySatisfactoryGood272074.4
August 2003FairSatisfactorySatisfactoryGood272074.4
July 2001FairSatisfactorySatisfactoryGood272074.4
October 1999FairSatisfactoryFairGood272062.9
September 1997FairSatisfactoryFairGood272065.0
October 1995FairSatisfactoryFairGood272057.5
December 1993FairSatisfactoryFairGood195060.4
December 1991FairSatisfactoryFairGood195069.2