Share:

I-5 over 6TH-N RAMP BR

King County, Washington

Map 

Coordinates:
+47.57142, -122.32131
47°34'17" N, 122°19'17" W
Source: National Bridge Inventory (1992, 2000, 2010 editions)
Information not verified. Use at your own risk.

Facts 

Name:I-5 over 6TH-N RAMP BR
Structure number:0007741L0000000
Location:5.5 N JCT SR 900
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:75.1 ft. [22.9 m]
Total length:228.0 ft. [69.5 m]
Roadway width between curbs:16.1 ft. [4.9 m]
Deck width edge-to-edge:20.3 ft. [6.2 m]
Owner:State Highway Agency [01]
Year built:1967
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Main span material:Concrete continuous [2]
Main span design:Box Beam or girders - Single or Spread [06]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

2010 Inspection 

Status:Open, no restriction [A]
Average daily traffic:5,638 [as of 2002]
Truck traffic:2% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Scour condition:Bridge not over waterway. [N]
Operating rating:61.4 tons [55.8 metric tons]
Inventory rating:36.6 tons [33.3 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:79.5
Estimated cost of work:$99,000

2000 Inspection 

Status:Open, no restriction [A]
Average daily traffic:5,236 [as of 1994]
Truck traffic:2% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Scour condition:Bridge not over waterway. [N]
Operating rating:61.4 tons [55.8 metric tons]
Inventory rating:36.6 tons [33.3 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:79.7
Estimated cost of work:$99,000

1992 Inspection 

Status:Open, no restriction [A]
Average daily traffic:1,400 [as of 1976]
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]
Scour condition:Bridge not over waterway. [N]
Operating rating:54.5 tons [49.5 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:83.0
Estimated cost of work:$353,000

Comments 

Post a comment here