+47.52510, -122.33354
47°31'30" N, 122°20'01" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:S-S RAMP over 1ST AVE S
Structure number:0008276H0000000
Location:4.0 N JCT SR 518
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:61.0 ft. [18.6 m]
Total length:151.9 ft. [46.3 m]
Roadway width between curbs:33.1 ft. [10.1 m]
Deck width edge-to-edge:37.1 ft. [11.3 m]
Vertical clearance below bridge:15.1 ft. [4.6 m]
Skew angle:21°
Owner:State Highway Agency [01]
Year built:1968
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:3
Main spans material:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: July 2015 

Status:Open, no restriction [A]
Average daily traffic:8,987 [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:Superior to present desirable criteria [9]
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:62.4 tons [56.7 metric tons]
Inventory rating:37.6 tons [34.2 metric tons]
Sufficiency rating:94.1

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201594.1Not deficientSatisfactorySatisfactoryGood8987
July 201394.3Not deficientSatisfactorySatisfactoryGood7263
August 201196.3Not deficientSatisfactorySatisfactoryGood7263
August 200996.3Not deficientSatisfactorySatisfactoryGood7602
July 200794.4Functionally obsoleteSatisfactorySatisfactoryGood6554
September 200594.4Functionally obsoleteSatisfactorySatisfactoryGood6554
December 200394.4Functionally obsoleteSatisfactorySatisfactoryGood6554
November 200195.4Functionally obsoleteSatisfactorySatisfactoryGood6554
July 199795.4Functionally obsoleteGoodGoodGood6554
December 199595.5Functionally obsoleteGoodGoodGood6554
June 199394.6Not deficientGoodGoodGood5280
July 199194.6Not deficientGoodGoodGood5280