LAKE SHORE DRIVE over MAIN BR CHICAGO RIV

Map 

Facts 

Name:	LAKE SHORE DRIVE over MAIN BR CHICAGO RIV
Structure number:	000016603027328
Location:	402 N & 520 E
Purpose:	Carries highway over waterway
Route classification:	Other Principal Arterial (Urban) [14]
Length of largest span:	264.1 ft. [80.5 m]
Total length:	356.0 ft. [108.5 m]
Roadway width between curbs:	80.7 ft. [24.6 m]
Deck width edge-to-edge:	107.6 ft. [32.8 m]
Vertical clearance below bridge:	24.9 ft. [7.6 m]
Owner:	City or Municipal Highway Agency [04]
Year built:	1937
Historic significance:	Bridge is eligible for the National Register of Historic Places [2]
Design load:	MS 18 / HS 20 [5]
Main span material:	Steel [3]
Main span design:	Movable - Bascule [16]
Deck type:	Closed Grating [4]
Wearing surface:	Other [9]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	126,209 [as of 2008]
Truck traffic:	1% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Satisfactory [6 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 determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:	48.5 tons [44.1 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	76.0

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	163,600 [as of 1995]
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Satisfactory [6 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 but in a deteriorated condition [3]
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:	48.5 tons [44.1 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	94.0

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	121,200 [as of 1989]
Deck condition:	Very Good [8 out of 9]
Superstructure condition:	Very Good [8 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 determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:	35.6 tons [32.4 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	95.0
Recommended work:	Other structural work, including hydraulic replacements. [38]
Estimated cost of work:	$11,840,000

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