US 1 NB/TOLL LOWR over OTHER RELIEF

Map 

Facts 

Name:	US 1 NB/TOLL LOWR over OTHER RELIEF
Structure number:	B160174X1MPANBI
Old structure number:	MPA896T00111 (from 1992 edition)
Location:	TOBIN BRIDGE
Route classification:	Principal Arterial - Other Freeways or Expressways (Urban) [12]
Tolls:	Yes [1]
Length of largest span:	116.1 ft. [35.4 m]
Total length:	1071.9 ft. [326.7 m]
Roadway width between curbs:	36.1 ft. [11.0 m]
Deck width edge-to-edge:	41.7 ft. [12.7 m]
Vertical clearance above deck:	16.1 ft. [4.9 m]
Owner:	Other State Agencies [21]
Year built:	1950
Historic significance:	Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:	MS 18 / HS 20 [5]
Number of main spans:	12
Main spans material:	Steel [3]
Main spans design:	Girder and floorbeam system [03]
Deck type:	Closed Grating [4]
Wearing surface:	Bituminous [6]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	44,700 [as of 2007]
Truck traffic:	10% of total traffic
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	49.5 tons [45.0 metric tons]
Inventory rating:	31.7 tons [28.8 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	60.8
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$17,275,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	35,600 [as of 1997]
Truck traffic:	10% of total traffic
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Poor [4 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	72.3 tons [65.7 metric tons]
Inventory rating:	36.6 tons [33.3 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	38.0
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$10,082,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	50,396 [as of 1990]
Truck traffic:	10% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	54.5 tons [49.5 metric tons]
Inventory rating:	36.6 tons [33.3 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	66.0
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$10,082,000

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