US 3 over Upper Ammonoosuc River

Good Condition31 years old5,412 vehicles/day

Location

StateNew Hampshire
CountyCoos
Location4.4 Mi From Lancaster Tl
CarriesUS 3
CrossesUpper Ammonoosuc River
Coordinates44.59481, -71.51129

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length234.9 ft (71.6 m)
Max Span115.2 ft (35.1 m)
Deck Width57.4 ft (17.5 m)
Deck Area1,253 sq m
Main Spans2
Year Built1995

Traffic

Avg Daily Traffic5,412 (2023)
Truck Traffic7%
Lanes On Bridge3

Inspection & Ownership

Last Inspection824
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number019801060011200

Nearby Bridges