US 12,45 MANNHEIM over IL 64 (NORTH AVE)

Map 

Facts 

Name:	US 12,45 MANNHEIM over IL 64 (NORTH AVE)
Structure number:	000016033604074
Location:	0.7 M N US 20
Purpose:	Carries highway overpass over highway
Route classification:	Other Principal Arterial (Urban) [14]
Length of largest span:	50.9 ft. [15.5 m]
Total length:	106.6 ft. [32.5 m]
Roadway width between curbs:	78.1 ft. [23.8 m]
Deck width edge-to-edge:	102.0 ft. [31.1 m]
Vertical clearance below bridge:	14.4 ft. [4.4 m]
Owner:	State Highway Agency [01]
Year built:	1931
Year reconstructed:	1975
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:	2
Main spans material:	Steel continuous [4]
Main spans design:	Stringer/Multi-beam or girder [02]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	39,500 [as of 2009]
Truck traffic:	8% of total traffic
Deck condition:	Satisfactory [6 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:	86.1 tons [78.3 metric tons]
Inventory rating:	51.5 tons [46.8 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	93.0
Recommended work:	Bridge deck rehabilitation with only incidental widening. [36]
Estimated cost of work:	$829,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	33,900 [as of 1998]
Truck traffic:	11% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	58.4 tons [53.1 metric tons]
Inventory rating:	37.6 tons [34.2 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	74.8
Recommended work:	Bridge deck rehabilitation with only incidental widening. [36]
Estimated cost of work:	$829,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	38,400 [as of 1990]
Truck traffic:	11% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	58.4 tons [53.1 metric tons]
Inventory rating:	37.6 tons [34.2 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	73.2
Recommended work:	Bridge deck rehabilitation with only incidental widening. [36]
Estimated cost of work:	$829,000

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