I 495 SB over ST 24 SB

Fair Condition47 years old42,987 vehicles/day

Location

StateMassachusetts
CountyPlymouth
LocationI 495 At ST 24
CarriesI 495 SB
CrossesST 24 SB
Coordinates41.94851, -71.02363

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length157.2 ft (47.9 m)
Max Span149.9 ft (45.7 m)
Deck Width59.1 ft (18 m)
Deck Area862.2 sq m
Main Spans1
Year Built1979

Traffic

Avg Daily Traffic42,987 (2023)
Truck Traffic11%
Lanes On Bridge4
Lanes Under Bridge4

Inspection & Ownership

Last Inspection225
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberB230223T4DOTNBI

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