INTERSTATE 580 over MAPLE AVE

Map 

Facts 

Name:	INTERSTATE 580 over MAPLE AVE
Structure number:	33 0321
Location:	04-ALA-580-R40.93-OAK
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	62.0 ft. [18.9 m]
Total length:	126.0 ft. [38.4 m]
Roadway width between curbs:	143.1 ft. [43.6 m]
Deck width edge-to-edge:	150.9 ft. [46.0 m]
Vertical clearance below bridge:	14.8 ft. [4.5 m]
Skew angle:	8°
Owner:	State Highway Agency [01]
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:	3
Main spans material:	Concrete continuous [2]
Main spans design:	Box beam or girders - Multiple [05]
Deck type:	Concrete Cast-in-Place [1]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	163,000 [as of 1998]
Truck traffic:	2% of total traffic
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:	91.2 tons [82.9 metric tons]
Inventory rating:	54.9 tons [49.9 metric tons]
Sufficiency rating:	85.0

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	154,800 [as of 1997]
Truck traffic:	1% of total traffic
Deck condition:	Serious [3 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:	90.8 tons [82.5 metric tons]
Inventory rating:	53.9 tons [49.0 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	79.0
Recommended work:	Bridge deck replacement with only incidental widening. [37]
Estimated cost of work:	$2,120,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	175,800 [as of 1990]
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:	90.1 tons [81.9 metric tons]
Inventory rating:	53.5 tons [48.6 metric tons]
Sufficiency rating:	85.0

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