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SR 99 over CITY STREETS & RAILROAD

Map 

Coordinates:
+47.59929, -122.33553
47°35'57" 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:0003935B0000000
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:6952.4 ft. [2119.0 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:44.9 ft. [13.7 m]
Vertical clearance above deck:14.1 ft. [4.3 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:38,000 [as of 2014]
Truck traffic:3% 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:Meets minimum tolerable limits to be left in place as is [4]
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:30.7 tons [27.9 metric tons]
Inventory rating:18.8 tons [17.1 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:12.5

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
March 201612.5Structurally deficientPoorPoorPoor38000
March 201512.5Structurally deficientPoorPoorPoor30594
March 201412.5Structurally deficientPoorPoorPoor30594
March 201312.5Structurally deficientPoorPoorPoor36440
March 201112.5Structurally deficientPoorPoorPoor37366
March 201012.5Structurally deficientPoorPoorPoor37366
March 200812.5Structurally deficientPoorPoorPoor39362
March 200716.5Structurally deficientPoorPoorPoor35997
March 200516.5Structurally deficientPoorPoorPoor35997
October 200316.5Structurally deficientPoorPoorPoor35997
March 200312.5Structurally deficientPoorPoorPoor35997
September 200136.3Structurally deficientFairPoorPoor35997
December 200050.2Functionally obsoleteSatisfactorySatisfactoryFair35997
July 199951.0Structurally deficientPoorSatisfactoryFair35997
December 199853.4Functionally obsoleteFairSatisfactoryFair35997
October 199759.2Functionally obsoleteSatisfactorySatisfactoryFair35997
November 199560.9Not deficientSatisfactorySatisfactoryFair35997
December 199373.9Not deficientSatisfactorySatisfactorySatisfactory32800
November 199170.6Structurally deficientPoorSatisfactorySatisfactory32800