I 93 NB over I 93 SB & RAMP LT

Map

Coordinates:
+42.37028, -71.06500
42°22'13" N, 71°03'54" W

Source: National Bridge Inventory (2010 edition)
Information not verified. Use at your own risk.

Name:	I 93 NB over I 93 SB & RAMP LT
Structure number:	B16600901DOTNBI
Location:	I93/US1 INTERCHANGE
Purpose:	Carries highway over highway and waterway
Route classification:	Principal Arterial - Interstate (Urban) `[11]`
Length of largest span:	145.0 ft. `[44.2 m]`
Total length:	1015.1 ft. `[309.4 m]`
Roadway width between curbs:	56.1 ft. `[17.1 m]`
Deck width edge-to-edge:	60.0 ft. `[18.3 m]`
Vertical clearance above deck:	15.7 ft. `[4.8 m]`
Vertical clearance below bridge:	14.4 ft. `[4.4 m]`
Owner:	State Highway Agency `[01]`
Year built:	2002
Historic significance:	Historical significance is not determinable at this time `[4]`
Design load:	MS 22.5 / HS 25 `[9]`
Number of main spans:	7
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]`

Status:	Open, no restriction `[A]`
Average daily traffic:	174,630 `[as of 2000]`
Truck traffic:	8% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Good `[7 out of 9]`
Substructure condition:	Good `[7 out of 9]`
Channel protection:	Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. `[8]`
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. `[8]`
Sufficiency rating:	13.0