US 4 over Connecticut River

Good Condition11 years old11,594 vehicles/day

Location

StateNew Hampshire
CountyGrafton
Location0.1 Mi From Vermont Sl
CarriesUS 4
CrossesConnecticut River
Coordinates43.65067, -72.31466

Condition Ratings

Overall ConditionGood
Deck8 (Very Good)
Superstructure8 (Very Good)
Substructure8 (Very Good)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length451.8 ft (137.7 m)
Max Span178.1 ft (54.3 m)
Deck Width47.9 ft (14.6 m)
Deck Area2010.4 sq m
Main Spans3
Year Built2015

Traffic

Avg Daily Traffic11,594 (2023)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number014400580012800

Nearby Bridges