LAWRENCE AVE over I- 90 JFK & CTA

Map 

Facts 

Name:	LAWRENCE AVE over I- 90 JFK & CTA
Structure number:	000016083604465
Location:	0.6 M NW IL 50
Purpose:	Carries highway overpass over highway
Route classification:	Minor Arterial (Urban) [16]
Length of largest span:	130.9 ft. [39.9 m]
Total length:	359.9 ft. [109.7 m]
Roadway width between curbs:	51.8 ft. [15.8 m]
Deck width edge-to-edge:	71.9 ft. [21.9 m]
Vertical clearance below bridge:	15.4 ft. [4.7 m]
Owner:	State Highway Agency [01]
Year built:	1958
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:	4
Main spans material:	Steel [3]
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:	17,900 [as of 2006]
Truck traffic:	24% of total traffic
Deck condition:	Poor [4 out of 9]
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	78.2 tons [71.1 metric tons]
Inventory rating:	49.5 tons [45.0 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	65.0
Recommended work:	Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:	$2,709,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	20,400 [as of 1998]
Deck condition:	Poor [4 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:	78.2 tons [71.1 metric tons]
Inventory rating:	49.5 tons [45.0 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	76.0
Recommended work:	Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:	$2,709,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	27,400 [as of 1990]
Deck condition:	Poor [4 out of 9]
Superstructure condition:	Very Good [8 out of 9]
Substructure condition:	Very Good [8 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	78.2 tons [71.1 metric tons]
Inventory rating:	49.5 tons [45.0 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	78.0
Recommended work:	Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:	$2,709,000

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