River Road over Salmon Hole Brook

Fair Condition106 years old161 vehicles/day

Location

StateNew Hampshire
CountyGrafton
Location0.3 Mi From Nh RTE 117
CarriesRiver Road
CrossesSalmon Hole Brook
Coordinates44.23758, -71.87578

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length33.1 ft (10.1 m)
Max Span22.0 ft (6.7 m)
Deck Width21.0 ft (6.4 m)
Deck Area64.6 sq m
Main Spans1
Year Built1920 (reconstructed 1980)

Traffic

Avg Daily Traffic161 (2023)
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Structure Number015001010011200

Nearby Bridges

Us302 Nh 10 over Ammonoosuc River 0.2 mi Fair Us302 Nh 10 over Nhrr(abd) 0.3 mi Fair Bishop Road over Mill Brook 0.6 mi Fair Lyman Road over Mill Brook 0.7 mi Good Plains Road over Mill Brook 0.8 mi Poor Nh117 over Salmon Hole Brook 0.8 mi Good Lyman Road over Mill Brook 1.0 mi Good Breezy Hill Road over Salmon Hole Brook 1.3 mi Poor Lyman Road over Mill Brook 1.6 mi Good Mountain Meadows R over Ogontz Brook 1.7 mi Good