I- 90,94 RYAN ELEV over S BR CHI RIVER

Map 

Facts 

Name:	I- 90,94 RYAN ELEV over S BR CHI RIVER
Structure number:	000016111426274
Location:	0.2 M N I-55
Purpose:	Carries highway over waterway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	220.2 ft. [67.1 m]
Total length:	517.1 ft. [157.6 m]
Roadway width between curbs:	144.0 ft. [43.9 m]
Deck width edge-to-edge:	148.0 ft. [45.1 m]
Vertical clearance below bridge:	59.7 ft. [18.2 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:	3
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:	Good [7 out of 9]
Channel protection:	Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:	Bridge foundations (including piles) on dry land well above flood water elevations. [9]
Operating rating:	65.3 tons [59.4 metric tons]
Inventory rating:	38.6 tons [35.1 metric tons]
Sufficiency rating:	73.0

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:	Good [7 out of 9]
Channel protection:	Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:	In place and functioning [2]
Scour condition:	Bridge foundations (including piles) on dry land well above flood water elevations. [9]
Operating rating:	65.3 tons [59.4 metric tons]
Inventory rating:	38.6 tons [35.1 metric tons]
Sufficiency rating:	73.0

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:	Very Good [8 out of 9]
Channel protection:	Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:	Navigation protection not required [1]
Scour condition:	Scour calculation/evaluation has not been made. [6]
Operating rating:	65.3 tons [59.4 metric tons]
Inventory rating:	38.6 tons [35.1 metric tons]
Sufficiency rating:	85.0
Recommended work:	Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:	$7,575,000

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