18TH ST OC over ROUTE 980

Map 

Facts 

Name:	18TH ST OC over ROUTE 980
Structure number:	33 0460
Location:	04-ALA-980-.9-OAK
Purpose:	Carries highway and pedestrian walkway over highway
Route classification:	Local (Urban) [19]
Length of largest span:	119.1 ft. [36.3 m]
Total length:	237.9 ft. [72.5 m]
Roadway width between curbs:	54.1 ft. [16.5 m]
Deck width edge-to-edge:	69.6 ft. [21.2 m]
Vertical clearance below bridge:	16.7 ft. [5.1 m]
Skew angle:	3°
Owner:	State Highway Agency [01]
Year built:	1973
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:	2
Main spans material:	Prestressed concrete continuous [6]
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:	5,000 [as of 1998]
Truck traffic:	2% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Very Good [8 out of 9]
Substructure condition:	Good [7 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	109.8 tons [99.8 metric tons]
Inventory rating:	35.9 tons [32.6 metric tons]
Sufficiency rating:	92.5

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	5,000 [as of 1998]
Truck traffic:	2% of total traffic
Deck condition:	Poor [4 out of 9]
Superstructure condition:	Very Good [8 out of 9]
Substructure condition:	Good [7 out of 9]
Scour condition:	Bridge not over waterway. [N]
Inventory rating:	35.9 tons [32.6 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	85.5

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	5,000 [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]
Inventory rating:	35.6 tons [32.4 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	88.6

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