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 

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. ratingEvaluationDeckSuper.Sub.ADT
January 201688.2Not deficientSatisfactoryGoodGood4900
January 201488.5Not deficientSatisfactoryGoodGood4000
January 201296.1Not deficientGoodSatisfactoryGood4000
January 201092.4Not deficientGoodGoodGood19501
January 200892.4Not deficientGoodGoodGood19308
January 200694.6Not deficientGoodGoodGood18746
January 200494.7Not deficientGoodGoodGood18200
January 200295.7Not deficientGoodVery GoodVery Good14000
January 200095.7Not deficientVery GoodVery GoodVery Good14000
January 199896.2Not deficientVery GoodVery GoodVery Good11730
January 199697.4Not deficientVery GoodVery GoodVery Good11730