I-5 over TERRAIN


+47.56056, -122.32128
47°33'38" N, 122°19'17" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-5 over TERRAIN
Structure number:0007816A0000000
Location:4.5 N JCT SR 900
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:100.1 ft. [30.5 m]
Total length:901.0 ft. [274.6 m]
Roadway width between curbs:76.1 ft. [23.2 m]
Deck width edge-to-edge:77.8 ft. [23.7 m]
Owner:State Highway Agency [01]
Year built:1966
Year reconstructed:1992
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:9
Main spans material:Prestressed concrete continuous [6]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: December 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:97,695 [as of 2016]
Truck traffic:7% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:87.7
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$28,832,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2018FairSatisfactoryGoodGood9769587.7
December 2016FairSatisfactoryGoodGood9098988.4
December 2014FairSatisfactoryGoodGood9098988.4
December 2012FairSatisfactoryGoodGood9361388.1
December 2010FairSatisfactoryGoodGood10832186.7
December 2008FairSatisfactoryGoodGood10832186.7
November 2006FairSatisfactoryGoodGood11800085.8
December 2004FairSatisfactoryGoodGood11800085.8
November 2002FairSatisfactoryGoodGood11800085.8
October 2000FairSatisfactoryGoodGood9825087.7
July 1998FairSatisfactoryGoodGood9825087.7
July 1996FairSatisfactoryGoodGood9825087.7
March 1994FairSatisfactoryGoodGood19180075.2
April 1992FairFairGoodGood8250083.2

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.11,68711,686010
Reinforced Concrete Decksq. ft.68,32466,7771,525022
Reinforced Concrete Columneach4847100
Reinforced Concrete Abutmentlinear ft.188188000
Reinforced Concrete Pier Caplinear ft.608606020
Strip Seal Jointlinear ft.152015200
Pourable Jointlinear ft.152015200
Open Jointlinear ft.152015200
Movable Bearingeach39130260
Fixed Bearingeach3939000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,7981,798000