US 3 over Cone Brook

Fair Condition74 years old2,758 vehicles/day

Location

StateNew Hampshire
CountyCoos
Location3.7 Mi NE Stratford Tl
CarriesUS 3
CrossesCone Brook
Coordinates44.81756, -71.56761

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure8 (Very Good)
Substructure6 (Satisfactory)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length43.0 ft (13.1 m)
Max Span36.1 ft (11 m)
Deck Width35.1 ft (10.7 m)
Deck Area140.2 sq m
Main Spans1
Year Built1952

Traffic

Avg Daily Traffic2,758 (2023)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last Inspection424
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Structure Number005100590008900

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