I 55 over HIGH STREET

Map 

Facts 

Name:	I 55 over HIGH STREET
Structure number:	11000550250951A
Location:	1.9 MI N JCT I 55 I 20
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	50.9 ft. [15.5 m]
Total length:	287.1 ft. [87.5 m]
Roadway width between curbs:	55.4 ft. [16.9 m]
Deck width edge-to-edge:	59.4 ft. [18.1 m]
Vertical clearance below bridge:	17.4 ft. [5.3 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]
Number of main spans:	4
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:	53,000 [as of 2006]
Truck traffic:	20% 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]
Operating rating:	61.1 tons [55.5 metric tons]
Inventory rating:	52.8 tons [48.0 metric tons]
Sufficiency rating:	93.5

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	40,500 [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]
Operating rating:	61.1 tons [55.5 metric tons]
Inventory rating:	52.8 tons [48.0 metric tons]
Sufficiency rating:	96.1

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	29,980 [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]
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:	98.0

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