I-5 S RAMP TO 45TH over 50TH RAMP TO I-5 S


+47.66497, -122.32232
47°39'54" N, 122°19'20" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I-5 S RAMP TO 45TH over 50TH RAMP TO I-5 S
Structure number:0006304B0000000
Location:1.4 N JCT SR 520
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:69.9 ft. [21.3 m]
Total length:243.1 ft. [74.1 m]
Roadway width between curbs:22.0 ft. [6.7 m]
Deck width edge-to-edge:27.2 ft. [8.3 m]
Vertical clearance below bridge:16.7 ft. [5.1 m]
Owner:State Highway Agency [01]
Year built:1961
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: May 2015 

Status:Open, no restriction [A]
Average daily traffic:10,019 [as of 2012]
Truck traffic:5% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:83.2 tons [75.6 metric tons]
Inventory rating:48.5 tons [44.1 metric tons]
Sufficiency rating:96.6

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201596.6Not deficientGoodGoodGood10019
May 201395.5Not deficientGoodGoodGood10357
May 201196.5Not deficientGoodGoodGood10357
June 200995.6Not deficientSatisfactorySatisfactoryGood9690
June 200795.5Not deficientSatisfactorySatisfactoryGood10731
September 200595.5Not deficientSatisfactorySatisfactoryGood10731
November 200395.5Not deficientSatisfactorySatisfactoryGood10731
December 200197.5Not deficientSatisfactorySatisfactoryGood10731
June 199997.7Not deficientSatisfactorySatisfactoryGood9352
June 199797.7Not deficientSatisfactorySatisfactoryGood9352
June 199597.6Not deficientSatisfactorySatisfactoryGood9352
June 199396.6Not deficientSatisfactorySatisfactoryGood8950
March 199196.6Not deficientGoodGoodGood8950