I 495 SB over HWY Tadmuck RD

Fair Condition65 years old120,395 vehicles/day

Location

StateMassachusetts
CountyMiddlesex
Location0.5 Mi N Of Boston RD
CarriesI 495 SB
CrossesHWY Tadmuck RD
Coordinates42.57773, -71.41208

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure5 (Fair)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length133.2 ft (40.6 m)
Max Span46.9 ft (14.3 m)
Deck Width57.1 ft (17.4 m)
Deck Area706.4 sq m
Main Spans3
Year Built1961

Traffic

Avg Daily Traffic120,395 (2023)
Truck Traffic10%
Lanes On Bridge3
Lanes Under Bridge2

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberW2602127WDOTNBI

Nearby Bridges