I-93 NB over Connecticut River

Good Condition50 years old3,621 vehicles/day

Location

StateNew Hampshire
CountyGrafton
Location@vermont State Line
CarriesI-93 NB
CrossesConnecticut River
Coordinates44.34295, -71.89066

Condition Ratings

Overall ConditionGood
Deck8 (Very Good)
Superstructure8 (Very Good)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical7 — Countermeasures installed

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length671.9 ft (204.8 m)
Max Span184.1 ft (56.1 m)
Deck Width44.9 ft (13.7 m)
Deck Area2805.8 sq m
Main Spans4
Year Built1976 (reconstructed 2014)

Traffic

Avg Daily Traffic3,621 (2023)
Truck Traffic9%
Lanes On Bridge2

Inspection & Ownership

Last Inspection924
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number015301050013500

Nearby Bridges