MONTAGUE EXPWY over INTERSTATE 880

Map 

Facts 

Name:	MONTAGUE EXPWY over INTERSTATE 880
Structure number:	37 0375
Location:	04-SCL-880-6.69-SJS
Purpose:	Carries highway and pedestrian walkway over highway
Route classification:	Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:	185.0 ft. [56.4 m]
Total length:	370.1 ft. [112.8 m]
Roadway width between curbs:	120.1 ft. [36.6 m]
Deck width edge-to-edge:	133.9 ft. [40.8 m]
Vertical clearance below bridge:	16.4 ft. [5.0 m]
Skew angle:	37°
Owner:	State Highway Agency [01]
Year built:	1974
Year reconstructed:	1988
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Design load:	MS 18+Mod / HS 20+Mod [6]
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:	75,400 [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]
Operating rating:	59.5 tons [54.1 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	75.7
Recommended work:	Other structural work, including hydraulic replacements. [38]
Estimated cost of work:	$7,696,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	75,400 [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:	58.9 tons [53.5 metric tons]
Inventory rating:	35.9 tons [32.6 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	79.1
Recommended work:	Other structural work, including hydraulic replacements. [38]
Estimated cost of work:	$8,284,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	75,400 [as of 1991]
Deck condition:	Very Good [8 out of 9]
Superstructure condition:	Very Good [8 out of 9]
Substructure condition:	Very Good [8 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	58.4 tons [53.1 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	83.0

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