HWY Frontage RD over Other Relief

Fair Condition28 years old38,534 vehicles/day

Location

StateMassachusetts
CountySuffolk
LocationAt So Boston Bypass Rd.
CarriesHWY Frontage RD
CrossesOther Relief
Coordinates42.33392, -71.06376

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length52.2 ft (15.9 m)
Max Span48.6 ft (14.8 m)
Deck Width63.3 ft (19.3 m)
Deck Area306.9 sq m
Main Spans1
Year Built1998

Traffic

Avg Daily Traffic38,534 (2025)
Truck Traffic7%
Lanes On Bridge4

Inspection & Ownership

Last Inspection125
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure NumberB16644929DOTNBI

Nearby Bridges