Granite Street over Merrimack River

Good Condition45 years old21,111 vehicles/day

Location

StateNew Hampshire
CountyHillsborough
Location0.5 Mi From Winter Street
CarriesGranite Street
CrossesMerrimack River
Coordinates42.98530, -71.46971

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length471.1 ft (143.6 m)
Max Span127.0 ft (38.7 m)
Deck Width120.1 ft (36.6 m)
Deck Area5255.8 sq m
Main Spans4
Year Built1981 (reconstructed 2008)

Traffic

Avg Daily Traffic21,111 (2023)
Truck Traffic5%
Lanes On Bridge7

Inspection & Ownership

Last Inspection724
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Structure Number016101330006900

Nearby Bridges

I-293 NB Off Ramp over Merrimack River 0.0 mi Good I-293 Fee Tpk over Granite Street 0.1 mi Good Nh 3a So Main ST over Piscataquog River 0.4 mi Good Second Street over Piscataquog (north Br) 0.5 mi Fair I-293 Fee Tpk over N Br Piscataquog River 0.5 mi Good Granite Street over Recreation Trail 0.5 mi Fair US 3 Elm ST over Csx(abd) 0.5 mi Fair Second Street over Piscataquog (south Br) 0.6 mi Good I-293 Fee Tpk over S Br Piscataquog River 0.6 mi Good I-293 Fee Tpk Ramp over S Br Piscataquog River 0.6 mi Good