Nh175 over Pemigewasset River

Good Condition50 years old682 vehicles/day

Location

StateNew Hampshire
CountyGrafton
Location0.6 Mi East Jct US 3
CarriesNh175
CrossesPemigewasset River
Coordinates43.97972, -71.67989

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway5 (Fair)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length319.9 ft (97.5 m)
Max Span121.1 ft (36.9 m)
Deck Width34.4 ft (10.5 m)
Deck Area1023.8 sq m
Main Spans3
Year Built1976

Traffic

Avg Daily Traffic682 (2023)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Structure Number028401950009300

Nearby Bridges

Nh175 over Pemigewasset River 0.1 mi Good Nh175 over Pemigewasset River 0.3 mi Fair I-93 SB over Nh175 0.7 mi Fair I-93 NB over Nh175 0.7 mi Fair I-93 SB over Tripoli Road 0.7 mi Fair I-93 SB over Eastman Brook 0.7 mi Good I-93 NB over Tripoli Road 0.8 mi Fair I-93 NB over Eastman Brook 0.8 mi Good Nh175 over Eastman Brook 0.8 mi Good Thornton Gore RD over Eastman Brook 1.1 mi Good