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I 20 S STATE RAMP over CNIC RR

Hinds County, Mississippi

Map 

Coordinates:
+32.27696, -90.18577
32°16'37" N, 90°11'09" W
Source: National Bridge Inventory (1992, 2000, 2010 editions)
Information not verified. Use at your own risk.

Facts 

Name:I 20 S STATE RAMP over CNIC RR
Structure number:170002002504620
Location:0.1 MI W RANKIN CL
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:80.1 ft. [24.4 m]
Total length:832.1 ft. [253.6 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:28.9 ft. [8.8 m]
Vertical clearance below bridge:25.3 ft. [7.7 m]
Owner:State Highway Agency [01]
Year built:1966
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:5
Main spans material:Concrete continuous [2]
Main spans 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:3,500 [as of 2006]
Truck traffic:13% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Scour condition:Bridge not over waterway. [N]
Inventory rating:68.1 tons [61.9 metric tons]
Sufficiency rating:92.7

2000 Inspection 

Status:Open, no restriction [A]
Average daily traffic:2,090 [as of 1996]
Truck traffic:13% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Scour condition:Bridge not over waterway. [N]
Inventory rating:68.1 tons [61.9 metric tons]
Sufficiency rating:92.8

1992 Inspection 

Status:Open, no restriction [A]
Average daily traffic:1,450 [as of 1989]
Truck traffic:13% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:48.5 tons [44.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:92.9

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