I-89 Nh 10 NB over US 4

Good Condition60 years old16,261 vehicles/day

Location

StateNew Hampshire
CountyGrafton
Location3.0 Mi From Enfield T.l.
CarriesI-89 Nh 10 NB
CrossesUS 4
Coordinates43.63533, -72.21191

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length184.1 ft (56.1 m)
Max Span77.1 ft (23.5 m)
Deck Width43.6 ft (13.3 m)
Deck Area746.1 sq m
Main Spans3
Year Built1966 (reconstructed 1986)

Traffic

Avg Daily Traffic16,261 (2023)
Truck Traffic9%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number014401600010500

Nearby Bridges

I-89 Nh 10 SB over US 4 0.0 mi Good I-89 Nh 10 NB over Riverside DR Mascoma Riv 0.1 mi Good I-89 SB over Mascoma R Riverside DR 0.1 mi Good Riverside Drive over Stony Brook 0.1 mi Good I-89 Nh 10 NB over Nhrr(abd) 0.2 mi Good US 4 over Stony Brook 0.2 mi Fair I-89 Nh 10 SB over Nhrr(abd) 0.2 mi Good I-89 Nh 10 SB over Hardy Hill Road 0.6 mi Good I-89 Nh 10 NB over Hardy Hill Road 0.6 mi Good Riverside Drive over Mascoma River 0.6 mi Fair