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