I-5 Ramp over SW 4th Street.


+45.45362, -122.72105
45°27'13" N, 122°43'16" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-5 Ramp over SW 4th Street.
Structure number:08199A001C29712
Location:1.7 M S OF ROSS ISL. BR.
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:174.9 ft. [53.3 m]
Total length:444.9 ft. [135.6 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:28.5 ft. [8.7 m]
Vertical clearance below bridge:15.1 ft. [4.6 m]
Owner:State Highway Agency [01]
Year built:1993
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 22.5 / HS 25 [9]
Number of main spans:3
Main spans material:Prestressed concrete continuous [6]
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: January 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:4,900 [as of 2014]
Truck traffic:1% 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:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present desirable criteria [8]
Underclearances 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]
Operating rating:35.0 tons [31.8 metric tons]
Inventory rating:26.7 tons [24.3 metric tons]
Sufficiency rating:88.2

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201688.2FairSatisfactoryGoodGood-4900
January 201488.5FairSatisfactoryGoodGood-4000
January 201296.1FairGoodSatisfactoryGood-4000
January 201092.4GoodGoodGoodGood-19501
January 200892.4GoodGoodGoodGood-19308
January 200694.6GoodGoodGoodGood-18746
January 200494.7GoodGoodGoodGood-18200
January 200295.7GoodGoodVery GoodVery Good-14000
January 200095.7GoodVery GoodVery GoodVery Good-14000
January 199896.2GoodVery GoodVery GoodVery Good-11730
January 199697.4GoodVery GoodVery GoodVery Good-11730

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Prestressed Concrete Closed Web/Box Girderlinear ft.8908751500
Prestressed Concrete Top Flangesq. ft.12,7587,0165,1046380
Reinforced Concrete Floor Beamlinear ft.3838000
Reinforced Concrete Columneach22000
Reinforced Concrete Abutmentlinear ft.2929000
Reinforced Concrete Pier Caplinear ft.1919000
Strip Seal Jointlinear ft.2902900
Assembly with Sealeach2929000
Other Jointlinear ft.2902900
Pot Bearingeach44000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.8908405000