I55-LL 297766D over ICG RAILROAD

Map 

Facts 

Name:	I55-LL 297766D over ICG RAILROAD
Structure number:	79I00550048
Location:	1 MI W OF I240 JCT
Purpose:	Carries highway over railroad
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	117.1 ft. [35.7 m]
Total length:	521.0 ft. [158.8 m]
Roadway width between curbs:	42.0 ft. [12.8 m]
Deck width edge-to-edge:	47.6 ft. [14.5 m]
Vertical clearance below bridge:	22.3 ft. [6.8 m]
Skew angle:	62°
Owner:	State Highway Agency [01]
Year built:	1963
Historic significance:	Historical significance is not determinable at this time [4]
Design load:	MS 18+Mod / HS 20+Mod [6]
Number of main spans:	5
Main spans material:	Steel continuous [4]
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:	87,000 [as of 2009]
Truck traffic:	24% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Fair [5 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	59.4 tons [54.0 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	59.7
Recommended work:	Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:	$1,937,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	80,790 [as of 1999]
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:	59.4 tons [54.0 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	68.2
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$2,243,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	66,170 [as of 1991]
Truck traffic:	7% 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:	61.4 tons [55.8 metric tons]
Inventory rating:	32.7 tons [29.7 metric tons]
Sufficiency rating:	83.0
Recommended work:	Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:	$1,102,000

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