I-93 SB over Collins ST Squam River

Good Condition63 years old10,878 vehicles/day

Location

StateNew Hampshire
CountyGrafton
Location.08 Mi New Hampton T.l.
CarriesI-93 SB
CrossesCollins ST Squam River
Coordinates43.68657, -71.64262

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length179.1 ft (54.6 m)
Max Span86.0 ft (26.2 m)
Deck Width44.0 ft (13.4 m)
Deck Area731.6 sq m
Main Spans2
Year Built1963 (reconstructed 1990)

Traffic

Avg Daily Traffic10,878 (2023)
Truck Traffic9%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection424
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number001100880005000

Nearby Bridges