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 2014 

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:70.3 tons [63.9 metric tons]
Inventory rating:41.6 tons [37.8 metric tons]
Sufficiency rating:90.2
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$12,134,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
November 201490.2Not deficientSatisfactorySatisfactoryGood6076
November 201289.5Not deficientSatisfactorySatisfactoryGood8209
December 201088.7Not deficientSatisfactorySatisfactoryGood11055
December 200888.7Not deficientSatisfactorySatisfactoryGood11055
October 200692.2Not deficientSatisfactorySatisfactoryGood2550
December 200492.2Not deficientSatisfactorySatisfactoryGood2550
October 200292.2Not deficientSatisfactorySatisfactoryGood2550
December 200092.2Not deficientSatisfactorySatisfactoryGood2500
July 199891.2Not deficientSatisfactorySatisfactoryGood2500
June 199691.2Not deficientSatisfactorySatisfactoryGood2500
May 199491.2Not deficientSatisfactorySatisfactoryGood2500
April 199293.6Not deficientSatisfactorySatisfactoryGood1200