I-89 SB over Nh103

Fair Condition58 years old10,849 vehicles/day

Location

StateNew Hampshire
CountyMerrimack
Location6.3 Mi Hopkinton Tl
CarriesI-89 SB
CrossesNh103
Coordinates43.28917, -71.83668

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length89.9 ft (27.4 m)
Max Span84.6 ft (25.8 m)
Deck Width44.0 ft (13.4 m)
Deck Area367.2 sq m
Main Spans1
Year Built1968 (reconstructed 1993)

Traffic

Avg Daily Traffic10,849 (2023)
Truck Traffic9%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection523
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number026301640010300

Nearby Bridges