I 91 NB over ST 9 Bridge ST

Fair Condition61 years old23,875 vehicles/day

Location

StateMassachusetts
CountyHampshire
LocationMm 24.8 On I-91 NB
CarriesI 91 NB
CrossesST 9 Bridge ST
Coordinates42.33319, -72.62119

Condition Ratings

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

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length161.7 ft (49.3 m)
Max Span50.9 ft (15.5 m)
Deck Width44.3 ft (13.5 m)
Deck Area665.5 sq m
Main Spans4
Year Built1965

Traffic

Avg Daily Traffic23,875 (2017)
Truck Traffic12%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Structure NumberN19062106DOTNBI

Nearby Bridges