Nh 12a over Sugar River

Poor Condition59 years old1,067 vehicles/day

Location

StateNew Hampshire
CountySullivan
Location.1 Mi. From Jct. Rte. 103
CarriesNh 12a
CrossesSugar River
Coordinates43.39826, -72.39359

Condition Ratings

Overall ConditionPoor
Deck3 (Serious)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical3 — Scour critical

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length280.8 ft (85.6 m)
Max Span111.9 ft (34.1 m)
Deck Width32.8 ft (10 m)
Deck Area856 sq m
Main Spans3
Year Built1967 (reconstructed 1991)

Traffic

Avg Daily Traffic1,067 (2023)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 8 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Structure Number004700720012700

Nearby Bridges