I 93 NB B5-b10 over Comb Mbta & I 93 SB

Fair Condition56 years old69,748 vehicles/day

Location

StateMassachusetts
CountySuffolk
Location.8 Mi N Of Ramp I93&us1
CarriesI 93 NB B5-b10
CrossesComb Mbta & I 93 SB
Coordinates42.38125, -71.07666

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure5 (Fair)
Substructure5 (Fair)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignGirder and Floorbeam
Total Length549.9 ft (167.6 m)
Max Span139.1 ft (42.4 m)
Deck Width62.0 ft (18.9 m)
Deck Area3167.6 sq m
Main Spans5
Year Built1970

Traffic

Avg Daily Traffic69,748 (2022)
Truck Traffic9%
Lanes On Bridge3
Lanes Under Bridge3

Inspection & Ownership

Last Inspection423
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberB162813DYDOTNBI

Nearby Bridges