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