I-5 over 6TH-S RAMP BR


+47.57108, -122.32400
47°34'16" N, 122°19'26" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-5 over 6TH-S RAMP BR
Structure number:0007741O0000000
Location:5.5 N JCT SR 900
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:89.9 ft. [27.4 m]
Total length:423.9 ft. [129.2 m]
Roadway width between curbs:21.0 ft. [6.4 m]
Deck width edge-to-edge:25.6 ft. [7.8 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1967
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:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: November 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:6,076 [as of 2012]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:91.2
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$5,258,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2016FairSatisfactorySatisfactoryGood607691.2
November 2014FairSatisfactorySatisfactoryGood607690.2
November 2012FairSatisfactorySatisfactoryGood820989.5
December 2010FairSatisfactorySatisfactoryGood1105588.7
December 2008FairSatisfactorySatisfactoryGood1105588.7
October 2006FairSatisfactorySatisfactoryGood255092.2
December 2004FairSatisfactorySatisfactoryGood255092.2
October 2002FairSatisfactorySatisfactoryGood255092.2
December 2000FairSatisfactorySatisfactoryGood250092.2
July 1998FairSatisfactorySatisfactoryGood250091.2
June 1996FairSatisfactorySatisfactoryGood250091.2
May 1994FairSatisfactorySatisfactoryGood250091.2
April 1992FairSatisfactorySatisfactoryGood120093.6

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Reinforced Concrete Closed Web/Box Girderlinear ft.331326050
Reinforced Concrete Decksq. ft.7,2457,2182304
Reinforced Concrete Top Flangesq. ft.1,9321,932000
Reinforced Concrete Columneach2626000
Reinforced Concrete Pier Walllinear ft.2523020
Reinforced Concrete Abutmentlinear ft.2525000
Reinforced Concrete Pier Caplinear ft.110110000
Strip Seal Jointlinear ft.2102100
Compression Jointlinear ft.2102100
Open Jointlinear ft.2102100
Movable Bearingeach66000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.848848000
Reinforced Concrete Bridge Raillinear ft.848846020
Reinforced Concrete Slabsq. ft.1,9321,927050