I- 90,94 RYAN ELEV over S BR CHGO RIV TO CAN

Map 

Facts 

Name:	I- 90,94 RYAN ELEV over S BR CHGO RIV TO CAN
Structure number:	000016111526275
Location:	2 M S I-290
Purpose:	Carries highway overpass over highway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	82.0 ft. [25.0 m]
Total length:	1795.0 ft. [547.1 m]
Roadway width between curbs:	124.0 ft. [37.8 m]
Deck width edge-to-edge:	148.0 ft. [45.1 m]
Vertical clearance below bridge:	18.0 ft. [5.5 m]
Owner:	State Highway Agency [01]
Year built:	1962
Year reconstructed:	1988
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:	22
Main spans material:	Steel continuous [4]
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:	167,500 [as of 2008]
Truck traffic:	6% of total traffic
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Fair [5 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	64.4 tons [58.5 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	68.0
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$28,692,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	210,800 [as of 1998]
Truck traffic:	11% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Fair [5 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	64.4 tons [58.5 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	69.0
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$28,692,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	239,000 [as of 1991]
Truck traffic:	7% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Fair [5 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:	70.0
Recommended work:	Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:	$26,301,000

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