Nh101 over Thorntons Ferry Road

Fair Condition55 years old11,884 vehicles/day

Location

StateNew Hampshire
CountyHillsborough
Location2.3 Mi Milford Tl
CarriesNh101
CrossesThorntons Ferry Road
Coordinates42.85810, -71.61152

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure5 (Fair)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length84.0 ft (25.6 m)
Max Span80.1 ft (24.4 m)
Deck Width46.9 ft (14.3 m)
Deck Area366.1 sq m
Main Spans1
Year Built1971

Traffic

Avg Daily Traffic11,884 (2023)
Truck Traffic7%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Structure Number000701460011000

Nearby Bridges