RTE I495 over RTE I295, RTE I295, RTE

Map 

Facts 

Name:	RTE I495 over RTE I295, RTE I295, RTE
Structure number:	000000001055290
Location:	JCT I495+I78
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	77.8 ft. [23.7 m]
Total length:	210.0 ft. [64.0 m]
Roadway width between curbs:	34.8 ft. [10.6 m]
Deck width edge-to-edge:	51.2 ft. [15.6 m]
Vertical clearance below bridge:	15.4 ft. [4.7 m]
Skew angle:	31°
Owner:	State Highway Agency [01]
Year built:	1960
Year reconstructed:	2003
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:	Steel [3]
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:	76,120 [as of 1989]
Truck traffic:	13% of total traffic
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:	62.9 tons [57.2 metric tons]
Inventory rating:	37.0 tons [33.6 metric tons]
Sufficiency rating:	90.3
Recommended work:	Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:	$3,445,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	76,120 [as of 1989]
Truck traffic:	9% of total traffic
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Poor [4 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	65.8 tons [59.8 metric tons]
Inventory rating:	32.9 tons [29.9 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	58.7
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$2,905,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	76,120 [as of 1989]
Truck traffic:	9% of total traffic
Deck condition:	Poor [4 out of 9]
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Serious [3 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	65.3 tons [59.4 metric tons]
Inventory rating:	33.7 tons [30.6 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	28.2
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$504,000

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