ST 1 A/sb over Other Relief & Ped Walkw

Fair Condition75 years old43,178 vehicles/day

Location

StateMassachusetts
CountySuffolk
Location.16 Km N Of Callahan Tun
CarriesST 1 A/sb
CrossesOther Relief & Ped Walkw
Coordinates42.37262, -71.03352

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure6 (Satisfactory)
Substructure5 (Fair)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length693.9 ft (211.5 m)
Max Span74.1 ft (22.6 m)
Deck Width45.6 ft (13.9 m)
Deck Area2939.8 sq m
Main Spans10
Year Built1951 (reconstructed 2005)

Traffic

Avg Daily Traffic43,178 (2023)
Truck Traffic4%
Lanes On Bridge3

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberB162353A0DOTNBI

Nearby Bridges

ST 1 A NB over Other Relief 0.0 mi Fair ST 1 A/nb over Other Relief 0.0 mi Fair HWY Porter ST over Other Pedestrian Wlkwy 0.0 mi Fair ST 1 A over HWY Chelsea & Bremen S 0.1 mi Fair ST 1 A/sb over Other Relief 0.1 mi Fair ST 1 A/sb over Other Relief 0.1 mi Fair ST 1 A/rp E-1asb over Comb ST 1a NB & Blue L 0.2 mi Good ST 1 A/sb over Other Relief 0.2 mi Good ST 1 A/sb over Other Relief 0.3 mi Good I 90 WB over ST 1 A/nb & Rp1anb 0.3 mi Good