STATE ST over MAIN BR CHICAGO RIV

Map 

Facts 

Name:	STATE ST over MAIN BR CHICAGO RIV
Structure number:	000016604827322
Location:	309 N STATE P
Purpose:	Carries highway over waterway
Route classification:	Collector (Urban) [17]
Length of largest span:	245.1 ft. [74.7 m]
Total length:	307.1 ft. [93.6 m]
Roadway width between curbs:	71.9 ft. [21.9 m]
Deck width edge-to-edge:	107.9 ft. [32.9 m]
Vertical clearance below bridge:	21.0 ft. [6.4 m]
Owner:	City or Municipal Highway Agency [04]
Year built:	1949
Historic significance:	Bridge is not eligible for the National Register of Historic Places [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:	10,700 [as of 2006]
Truck traffic:	22% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Satisfactory [6 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:	35.6 tons [32.4 metric tons]
Inventory rating:	26.7 tons [24.3 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	67.5
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$3,501,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	14,900 [as of 1991]
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Satisfactory [6 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:	26.7 tons [24.3 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	66.5
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$3,501,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	14,900 [as of 1991]
Deck condition:	Good [7 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 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:	26.7 tons [24.3 metric tons]
Sufficiency rating:	80.5

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