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SR 99 over CITY STREETS & RAILROAD

Map 

Coordinates:
+47.60004, -122.33554
47°36'00" N, 122°20'08" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:SR 99 over CITY STREETS & RAILROAD
Structure number:0003935A0000000
Location:3.3 N JCT SR 509
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:63.0 ft. [19.2 m]
Total length:6977.4 ft. [2126.6 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:43.0 ft. [13.1 m]
Vertical clearance below bridge:10.8 ft. [3.3 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1952
Year reconstructed:1957
Historic significance:Bridge is on the National Register of Historic Places [1]
Design load:MS 18 / HS 20 [5]
Number of main spans:4
Main spans material:Concrete [1]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: March 2017 

Good/Fair/Poor Condition:Poor
Status:Posted for other load-capacity restriction [R]
Average daily traffic:41,000 [as of 2014]
Truck traffic:4% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:27.9 tons [25.4 metric tons]
Inventory rating:16.9 tons [15.4 metric tons]
Sufficiency rating:9.2
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$217,682,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 20179.2PoorPoorPoorPoorSD41000
March 20169.0PoorPoorPoorPoorSD41000
March 20159.0PoorPoorPoorPoorSD30603
March 20149.0PoorPoorPoorPoorSD30603
March 20139.0PoorPoorPoorPoorSD38279
March 20119.0PoorPoorPoorPoorSD37428
March 20109.0PoorPoorPoorPoorSD37428
March 20089.0PoorPoorPoorPoorSD78755
March 20079.0PoorPoorPoorPoorSD35997
March 20059.0PoorPoorPoorPoorSD35997
October 20039.0PoorPoorPoorPoorSD35997
March 200311.0PoorPoorPoorPoorSD35997
September 200141.7PoorFairPoorPoorSD35997
December 200068.4FairFairSatisfactorySatisfactoryFO35997
December 199870.4FairFairSatisfactorySatisfactoryFO35997
June 199668.8FairSatisfactorySatisfactorySatisfactoryFO35997
December 199468.8FairSatisfactorySatisfactorySatisfactoryFO35997
March 199266.1PoorPoorSatisfactorySatisfactorySD32800