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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 2017

Good/Fair/Poor Condition:Poor
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:30.9 tons [28.1 metric tons]
Inventory rating:18.9 tons [17.2 metric tons]
Sufficiency rating:12.7
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$144,602,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201712.7PoorPoorPoorPoorSD38000
March 201612.5PoorPoorPoorPoorSD38000
March 201512.5PoorPoorPoorPoorSD30594
March 201412.5PoorPoorPoorPoorSD30594
March 201312.5PoorPoorPoorPoorSD36440
March 201112.5PoorPoorPoorPoorSD37366
March 201012.5PoorPoorPoorPoorSD37366
March 200812.5PoorPoorPoorPoorSD39362
March 200716.5PoorPoorPoorPoorSD35997
March 200516.5PoorPoorPoorPoorSD35997
October 200316.5PoorPoorPoorPoorSD35997
March 200312.5PoorPoorPoorPoorSD35997
September 200136.3PoorFairPoorPoorSD35997
December 200050.2FairSatisfactorySatisfactoryFairFO35997
July 199951.0PoorPoorSatisfactoryFairSD35997
December 199853.4FairFairSatisfactoryFairFO35997
October 199759.2FairSatisfactorySatisfactoryFairFO35997
November 199560.9FairSatisfactorySatisfactoryFair-35997
December 199373.9FairSatisfactorySatisfactorySatisfactory-32800
November 199170.6PoorPoorSatisfactorySatisfactorySD32800