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I 15S over TWAIN AV

Clark County, Nevada

Map 

Coordinates:
+36.11972, -115.18056
36°07'11" N, 115°10'50" W
Source: National Bridge Inventory (1992, 2000, 2010 editions)
Information not verified. Use at your own risk.

Facts 

Name:I 15S over TWAIN AV
Structure number:H 804S
Location:LAS VEGAS
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:34.1 ft. [10.4 m]
Total length:38.4 ft. [11.7 m]
Roadway width between curbs:98.8 ft. [30.1 m]
Deck width edge-to-edge:100.4 ft. [30.6 m]
Vertical clearance below bridge:24.3 ft. [7.4 m]
Owner:State Highway Agency [01]
Year built:1964
Year reconstructed:1998
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 [1]
Main span design:Frame [07]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

2010 Inspection 

Status:Open, no restriction [A]
Average daily traffic:114,000 [as of 2008]
Truck traffic:7% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Scour condition:Bridge not over waterway. [N]
Operating rating:63.9 tons [58.1 metric tons]
Inventory rating:38.4 tons [34.9 metric tons]
Sufficiency rating:90.5

2000 Inspection 

Status:Open, no restriction [A]
Average daily traffic:69,905 [as of 1996]
Truck traffic:7% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Scour condition:Bridge not over waterway. [N]
Operating rating:47.5 tons [43.2 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:92.6

1992 Inspection 

Status:Open, no restriction [A]
Average daily traffic:45,460 [as of 1989]
Truck traffic:7% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Scour condition:Bridge not over waterway. [N]
Operating rating:47.5 tons [43.2 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:90.4

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