US 3 Fee Tpk SB over Spit Brook Road

Good Condition31 years old46,106 vehicles/day

Location

StateNew Hampshire
CountyHillsborough
Location.5 Mi From Mass S.l.
CarriesUS 3 Fee Tpk SB
CrossesSpit Brook Road
Coordinates42.70800, -71.45088

Condition Ratings

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

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length155.8 ft (47.5 m)
Max Span144.0 ft (43.9 m)
Deck Width59.1 ft (18 m)
Deck Area855 sq m
Main Spans1
Year Built1995

Traffic

Avg Daily Traffic46,106 (2023)
Truck Traffic8%
Lanes On Bridge3
Lanes Under Bridge7

Inspection & Ownership

Last Inspection424
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Structure Number017701450003700

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