US 20 Comm Av/mbta over Comb I 90 & Mbta/csx

Good Condition61 years old40,783 vehicles/day

Location

StateMassachusetts
CountySuffolk
Location.1mi.s.storrow DR S48
CarriesUS 20 Comm Av/mbta
CrossesComb I 90 & Mbta/csx
Coordinates42.35060, -71.11127

Condition Ratings

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

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length379.9 ft (115.8 m)
Max Span151.9 ft (46.3 m)
Deck Width162.1 ft (49.4 m)
Deck Area5720.5 sq m
Main Spans3
Year Built1965 (reconstructed 2018)

Traffic

Avg Daily Traffic40,783 (2018)
Truck Traffic8%
Lanes On Bridge5
Lanes Under Bridge8

Inspection & Ownership

Last Inspection323
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberB160554T0DOTNBI

Nearby Bridges