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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 2016 

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:27.7 tons [25.2 metric tons]
Inventory rating:16.8 tons [15.3 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:9.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
March 20169.0Structurally deficientPoorPoorPoor41000
March 20159.0Structurally deficientPoorPoorPoor30603
March 20149.0Structurally deficientPoorPoorPoor30603
March 20139.0Structurally deficientPoorPoorPoor38279
March 20119.0Structurally deficientPoorPoorPoor37428
March 20109.0Structurally deficientPoorPoorPoor37428
March 20089.0Structurally deficientPoorPoorPoor78755
March 20079.0Structurally deficientPoorPoorPoor35997
March 20059.0Structurally deficientPoorPoorPoor35997
October 20039.0Structurally deficientPoorPoorPoor35997
March 200311.0Structurally deficientPoorPoorPoor35997
September 200141.7Structurally deficientFairPoorPoor35997
December 200068.4Functionally obsoleteFairSatisfactorySatisfactory35997
December 199870.4Functionally obsoleteFairSatisfactorySatisfactory35997
June 199668.8Functionally obsoleteSatisfactorySatisfactorySatisfactory35997
December 199468.8Functionally obsoleteSatisfactorySatisfactorySatisfactory35997
March 199266.1Structurally deficientPoorSatisfactorySatisfactory32800