US 3 Fee Tpk NB over Spit Brook Road

Good Condition33 years old46,106 vehicles/day

Location

StateNew Hampshire
CountyHillsborough
Location0.5 Mi From Mass Sl.
CarriesUS 3 Fee Tpk NB
CrossesSpit Brook Road
Coordinates42.70804, -71.45059

Condition Ratings

Overall ConditionGood
Deck8 (Very Good)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length149.9 ft (45.7 m)
Max Span144.0 ft (43.9 m)
Deck Width58.4 ft (17.8 m)
Deck Area813.5 sq m
Main Spans1
Year Built1993

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 Number017701460003700

Nearby Bridges