I 93 SB Bt 46-57 over Tr Orange Line

Fair Condition56 years old85,975 vehicles/day

Location

StateMassachusetts
CountySuffolk
Location.5 Mi N Of Jct I93&us1
CarriesI 93 SB Bt 46-57
CrossesTr Orange Line
Coordinates42.37717, -71.07500

Condition Ratings

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

Physical Characteristics

MaterialSteel
DesignGirder and Floorbeam
Total Length898.0 ft (273.7 m)
Max Span82.0 ft (25 m)
Deck Width69.9 ft (21.3 m)
Deck Area5829.8 sq m
Main Spans11
Year Built1970

Traffic

Avg Daily Traffic85,975 (2023)
Truck Traffic6%
Lanes On Bridge3

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberB162813BTDOTNBI

Nearby Bridges

I 93 NB over I 93 SB Bt 46 - 57 0.0 mi Fair I 93 Ramps Sn Ns over Rr Mbta Bsg Spur 0.1 mi Good I 93 Ramps Sn Ns over Rr Bmrr Bsg Spur 0.1 mi Fair I 93 Ramps Sn Ns over Rr Mbta 0.1 mi Fair I 93 SB Bt 57-61 over Rr Mbta & Bmrr 0.1 mi Fair I 93 NB over I 93 SB Bt 57 - 61 0.1 mi Fair I 93 NB Bt 38-46 over I 93 SB Bt 38-46 0.2 mi Fair I 93 SB Bt 38-46 over Tr Orange Line 0.2 mi Fair I 93 NB Ramp Cl over Other Relief 0.2 mi Fair I 93 NB Ramp Cl over Other Relief 0.2 mi Fair