INTERSTATE 980 over 27TH ST

Map 

Facts 

Name:	INTERSTATE 980 over 27TH ST
Structure number:	33 0421R
Location:	04-ALA-980-1.33-OAK
Purpose:	Carries highway over highway and railroad
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	129.9 ft. [39.6 m]
Total length:	1030.9 ft. [314.2 m]
Roadway width between curbs:	79.1 ft. [24.1 m]
Deck width edge-to-edge:	81.0 ft. [24.7 m]
Vertical clearance below bridge:	17.4 ft. [5.3 m]
Skew angle:	99°
Owner:	State Highway Agency [01]
Year built:	1969
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:	12
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:	53,750 [as of 1999]
Truck traffic:	7% 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:	51.8 tons [47.1 metric tons]
Inventory rating:	29.9 tons [27.2 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	82.5

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	94,350 [as of 1997]
Truck traffic:	7% 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:	51.8 tons [47.1 metric tons]
Inventory rating:	29.9 tons [27.2 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	79.0
Recommended work:	Bridge deck replacement with only incidental widening. [37]
Estimated cost of work:	$9,313,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	67,500 [as of 1990]
Truck traffic:	11% 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:	51.5 tons [46.8 metric tons]
Inventory rating:	29.7 tons [27.0 metric tons]
Sufficiency rating:	89.5

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