I 95 Sb/st128 SB over ST 3 A/cambridge ST

Poor Condition76 years old93,600 vehicles/day

Location

StateMassachusetts
CountyMiddlesex
LocationAt Junc. Of I 95 & ST 3a
CarriesI 95 Sb/st128 SB
CrossesST 3 A/cambridge ST
Coordinates42.48875, -71.19172

Condition Ratings

Overall ConditionPoor
Deck5 (Fair)
Superstructure4 (Poor)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length205.1 ft (62.5 m)
Max Span105.0 ft (32 m)
Deck Width74.1 ft (22.6 m)
Deck Area1412.5 sq m
Main Spans3
Year Built1950 (reconstructed 1964)

Traffic

Avg Daily Traffic93,600 (2019)
Truck Traffic10%
Lanes On Bridge4
Lanes Under Bridge4

Inspection & Ownership

Last Inspection823
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Structure NumberB290102EVDOTNBI

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