I55 over I-55 EXIT RAMP/CSX RR

Map 

Facts 

Name:	I55 over I-55 EXIT RAMP/CSX RR
Structure number:	79I00550107
Location:	0.6 MI S OF SR 1 JCT
Purpose:	Carries highway over railroad
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	59.1 ft. [18.0 m]
Total length:	145.0 ft. [44.2 m]
Roadway width between curbs:	23.6 ft. [7.2 m]
Deck width edge-to-edge:	28.5 ft. [8.7 m]
Vertical clearance below bridge:	22.6 ft. [6.9 m]
Skew angle:	10°
Owner:	State Highway Agency [01]
Year built:	1963
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:	Prestressed concrete [5]
Main spans design:	Stringer/Multi-beam or girder [02]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Bituminous [6]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	4,000 [as of 2010]
Truck traffic:	24% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	56.4 tons [51.3 metric tons]
Inventory rating:	33.7 tons [30.6 metric tons]
Sufficiency rating:	92.7

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	55,650 [as of 1999]
Truck traffic:	24% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	56.4 tons [51.3 metric tons]
Inventory rating:	33.7 tons [30.6 metric tons]
Sufficiency rating:	81.2

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	37,220 [as of 1991]
Truck traffic:	10% 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 protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
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:	80.2
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$255,000

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