DEARBORN ST over C&NW & CARROL AVE

Map 

Facts 

Name:	DEARBORN ST over C&NW & CARROL AVE
Structure number:	000016611527309
Location:	36W&330N TO 400N
Purpose:	Carries highway over railroad
Route classification:	Collector (Urban) [17]
Length of largest span:	64.0 ft. [19.5 m]
Total length:	248.0 ft. [75.6 m]
Roadway width between curbs:	56.1 ft. [17.1 m]
Deck width edge-to-edge:	85.3 ft. [26.0 m]
Vertical clearance below bridge:	17.1 ft. [5.2 m]
Owner:	City or Municipal Highway Agency [04]
Year built:	1963
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Design load:	MS 18 / HS 20 [5]
Number of main spans:	5
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:	22,900 [as of 2006]
Truck traffic:	12% of total traffic
Deck condition:	Good [7 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:	48.5 tons [44.1 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	77.0
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$3,347,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	7,009 [as of 1999]
Deck condition:	Good [7 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Good [7 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]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	77.0
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$3,347,000

1992 Inspection 

Status:	Open, no restriction [A]
Deck condition:	Good [7 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Good [7 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	35.6 tons [32.4 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	92.0

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