ST 1 A over HWY Chelsea & Bremen S

Fair Condition75 years old56,669 vehicles/day

Location

StateMassachusetts
CountySuffolk
Location1000ft NE Of Callhan Tun.
CarriesST 1 A
CrossesHWY Chelsea & Bremen S
Coordinates42.37304, -71.03518

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure5 (Fair)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length379.9 ft (115.8 m)
Max Span83.0 ft (25.3 m)
Deck Width93.2 ft (28.4 m)
Deck Area3288.7 sq m
Main Spans5
Year Built1951 (reconstructed 1977)

Traffic

Avg Daily Traffic56,669 (2024)
Truck Traffic4%
Lanes On Bridge6
Lanes Under Bridge3

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberB1623539TDOTNBI

Nearby Bridges

ST 1 A/nb over Other Relief 0.1 mi Fair HWY Porter ST over Other Pedestrian Wlkwy 0.1 mi Fair ST 1 A/sb over Other Relief & Ped Walkw 0.1 mi Fair ST 1 A NB over Other Relief 0.1 mi Fair ST 1 A/sb over Other Relief 0.2 mi Fair ST 1 A/sb over Other Relief 0.2 mi Fair HWY Meridian ST over ST 1 A/nb 0.2 mi Fair ST 1 A/sb over Other Relief 0.2 mi Good HWY Maverick ST over Other Pedestrian Wlkwy 0.3 mi Fair ST 1 A/sb over Other Relief 0.3 mi Good