I 93 NB over I 93 Sb/austn St/mbta

Good Condition24 years old36,462 vehicles/day

Location

StateMassachusetts
CountySuffolk
LocationI93/us1 Interchange
CarriesI 93 NB
CrossesI 93 Sb/austn St/mbta
Coordinates42.37337, -71.06972

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignBox Beam - Multiple
Total Length532.5 ft (162.3 m)
Max Span148.0 ft (45.1 m)
Deck Width71.5 ft (21.8 m)
Deck Area3538.1 sq m
Main Spans4
Year Built2002

Traffic

Avg Daily Traffic36,462 (2021)
Truck Traffic9%
Lanes On Bridge5
Lanes Under Bridge7

Inspection & Ownership

Last Inspection922
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure NumberB166008YYDOTNBI

Nearby Bridges