Nh104 over Smith River

Poor Condition86 years old2,913 vehicles/day

Location

StateNew Hampshire
CountyMerrimack
Location1.0 Mi From Hill Tl
CarriesNh104
CrossesSmith River
Coordinates43.52866, -71.82311

Condition Ratings

Overall ConditionPoor
Deck4 (Poor)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignGirder and Floorbeam
Total Length106.0 ft (32.3 m)
Max Span96.1 ft (29.3 m)
Deck Width31.2 ft (9.5 m)
Deck Area306.9 sq m
Main Spans1
Year Built1940 (reconstructed 1991)

Traffic

Avg Daily Traffic2,913 (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 Number005801390014500

Nearby Bridges

Eastern Dist Road over Smith River 0.2 mi Fair Smith River Road over Smith River 0.8 mi Good Nh104 over Bog Pond Brook 1.0 mi Fair Gould Hill Road over Bog Pond Outlet 1.2 mi Fair Smith River Road over Smith River 1.6 mi Fair North Road over Smith River 2.0 mi Fair US 4 over Nhrr(abd) 2.2 mi Good US 4 over Smith River 2.3 mi Poor Cass Mill Road over Smith River 2.5 mi Good Forbes Mtn Road over Wild Meadow Brook 2.9 mi Fair