I 59/20 over RAMP C

Map 

Facts 

Name:	I 59/20 over RAMP C
Structure number:	010868
Old structure number:	00000I59370273D (from 1992 edition)
Location:	I59 & 79
Purpose:	Carries highway overpass over highway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	83.0 ft. [25.3 m]
Total length:	180.1 ft. [54.9 m]
Roadway width between curbs:	47.9 ft. [14.6 m]
Deck width edge-to-edge:	69.9 ft. [21.3 m]
Vertical clearance below bridge:	16.1 ft. [4.9 m]
Skew angle:	38°
Owner:	State Highway Agency [01]
Year built:	1973
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
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:	Other [9]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	71,710 [as of 2008]
Truck traffic:	11% 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:	61.1 tons [55.5 metric tons]
Inventory rating:	36.9 tons [33.5 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	69.2
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$4,688,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	72,500 [as of 1996]
Truck traffic:	9% 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:	47.9 tons [43.5 metric tons]
Inventory rating:	36.0 tons [32.7 metric tons]
Sufficiency rating:	90.1

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	53,000 [as of 1988]
Truck traffic:	9% of total traffic
Deck condition:	Very Good [8 out of 9]
Superstructure condition:	Very Good [8 out of 9]
Substructure condition:	Good [7 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	44.6 tons [40.5 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	93.0

Comments