I55 over I55 / WILSON RD (5065)

Map 

Facts 

Name:	I55 over I55 / WILSON RD (5065)
Structure number:	79I00550003
Location:	1.3 MI N OF MS-TN ST LN
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	59.4 ft. [18.1 m]
Total length:	128.6 ft. [39.2 m]
Roadway width between curbs:	149.0 ft. [45.4 m]
Deck width edge-to-edge:	151.9 ft. [46.3 m]
Vertical clearance below bridge:	14.4 ft. [4.4 m]
Owner:	State Highway Agency [01]
Year built:	1960
Year reconstructed:	2002
Historic significance:	Historical significance is not determinable at this time [4]
Design load:	MS 18+Mod / HS 20+Mod [6]
Number of main spans:	3
Main spans material:	Prestressed concrete [5]
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:	76,750 [as of 2009]
Truck traffic:	13% of total traffic
Deck condition:	Good [7 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]
Operating rating:	48.5 tons [44.1 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	85.0

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	54,220 [as of 1999]
Truck traffic:	13% 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:	45.5 tons [41.4 metric tons]
Inventory rating:	26.7 tons [24.3 metric tons]
Sufficiency rating:	82.8

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	38,390 [as of 1991]
Truck traffic:	9% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Satisfactory [6 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:	89.9
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$407,000

Comments