I 93 RAMP SN over US 1 RAMP TC & LC

Map 

Facts 

Name:	I 93 RAMP SN over US 1 RAMP TC & LC
Structure number:	B166078YPDOTNBI
Location:	I93/US1 INTERCHANGE
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	144.0 ft. [43.9 m]
Total length:	783.8 ft. [238.9 m]
Roadway width between curbs:	32.2 ft. [9.8 m]
Deck width edge-to-edge:	36.1 ft. [11.0 m]
Vertical clearance above deck:	15.7 ft. [4.8 m]
Vertical clearance below bridge:	18.4 ft. [5.6 m]
Skew angle:	99°
Owner:	State Highway Agency [01]
Year built:	1999
Historic significance:	Historical significance is not determinable at this time [4]
Design load:	MS 18 / HS 20 [5]
Number of main spans:	6
Main spans material:	Prestressed concrete continuous [6]
Main spans design:	Segmental box girder [21]
Deck type:	Other [9]
Wearing surface:	Latex Concrete or similar additive [3]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	174,630 [as of 2000]
Truck traffic:	8% of total traffic
Deck condition:	Very Good [8 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Good [7 out of 9]
Pier/abutment protection:	Navigation protection not required [1]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	48.5 tons [44.1 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	78.0
Recommended work:	Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:	$3,104,000

Comments