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I24 EB RAMP over I24 EB RP/A660 CHESTNUT

Map 

Coordinates:
+35.03111, -85.31750
35°01'52" N, 85°19'03" W
Source: National Bridge Inventory (1992, 2000, 2010 editions)
Information not verified. Use at your own risk.

Facts 

Name:I24 EB RAMP over I24 EB RP/A660 CHESTNUT
Structure number:33I00240017
Location:.1 M E OF I124
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:73.2 ft. [22.3 m]
Total length:181.1 ft. [55.2 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:35.1 ft. [10.7 m]
Vertical clearance below bridge:26.2 ft. [8.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1961
Year reconstructed:1990
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Steel [3]
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]

2010 Inspection 

Status:Open, no restriction [A]
Average daily traffic:1,990 [as of 2010]
Truck traffic:14% of total traffic
Deck condition:Satisfactory [6 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:57.4 tons [52.2 metric tons]
Inventory rating:34.7 tons [31.5 metric tons]
Sufficiency rating:96.6

2000 Inspection 

Status:Open, no restriction [A]
Average daily traffic:123,350 [as of 1998]
Truck traffic:14% 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:57.4 tons [52.2 metric tons]
Inventory rating:34.7 tons [31.5 metric tons]
Sufficiency rating:90.9

1992 Inspection 

Status:Open, no restriction [A]
Average daily traffic:71,850 [as of 1990]
Truck traffic:11% of total traffic
Deck condition:Satisfactory [6 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:48.5 tons [44.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:69.1
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$227,000