WEST 31ST STREET over AMTRAK LAYUP TRKS

Map 

Facts 

Name:	WEST 31ST STREET over AMTRAK LAYUP TRKS
Structure number:	00000000226672A
Location:	IN WEST MANHATTAN
Purpose:	Carries highway and pedestrian walkway over railroad
Route classification:	Collector (Urban) [17]
Length of largest span:	29.9 ft. [9.1 m]
Total length:	199.8 ft. [60.9 m]
Roadway width between curbs:	33.8 ft. [10.3 m]
Deck width edge-to-edge:	44.0 ft. [13.4 m]
Vertical clearance below bridge:	24.6 ft. [7.5 m]
Owner:	City or Municipal Highway Agency [04]
Year built:	1910
Historic significance:	Historical significance is not determinable at this time [4]
Number of main spans:	9
Main spans material:	Steel [3]
Main spans design:	Stringer/Multi-beam or girder [02]
Deck type:	Other [9]
Wearing surface:	Bituminous [6]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	4,856 [as of 2009]
Truck traffic:	6% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Poor [4 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	49.0 tons [44.5 metric tons]
Inventory rating:	28.9 tons [26.3 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	55.7
Recommended work:	Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:	$5,097,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	4,568 [as of 1999]
Truck traffic:	5% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Poor [4 out of 9]
Substructure condition:	Fair [5 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	46.9 tons [42.6 metric tons]
Inventory rating:	19.9 tons [18.1 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	48.9
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$2,373,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	1,000 [as of 1991]
Truck traffic:	10% of total traffic
Deck condition:	Poor [4 out of 9]
Superstructure condition:	Serious [3 out of 9]
Substructure condition:	Poor [4 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	37.2 tons [33.8 metric tons]
Inventory rating:	11.1 tons [10.1 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	28.8
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$450,000

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