I-5 over 6TH-S RAMP BR


+47.57102, -122.32138
47°34'16" N, 122°19'17" 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]
Operating rating:70.8 tons [64.4 metric tons]
Inventory rating:41.9 tons [38.1 metric tons]
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

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
November 201691.2FairSatisfactorySatisfactoryGood-6076
November 201490.2FairSatisfactorySatisfactoryGood-6076
November 201289.5FairSatisfactorySatisfactoryGood-8209
December 201088.7FairSatisfactorySatisfactoryGood-11055
December 200888.7FairSatisfactorySatisfactoryGood-11055
October 200692.2FairSatisfactorySatisfactoryGood-2550
December 200492.2FairSatisfactorySatisfactoryGood-2550
October 200292.2FairSatisfactorySatisfactoryGood-2550
December 200092.2FairSatisfactorySatisfactoryGood-2500
July 199891.2FairSatisfactorySatisfactoryGood-2500
June 199691.2FairSatisfactorySatisfactoryGood-2500
May 199491.2FairSatisfactorySatisfactoryGood-2500
April 199293.6FairSatisfactorySatisfactoryGood-1200

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Reinforced Concrete Closed Web/Box Girderlinear ft.331326050
Reinforced Concrete Decksq. ft.7,2457,2014004
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
Assembly without Seal 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