Patterson Hill RD over Contoocook River

Fair Condition111 years old147 vehicles/day

Location

StateNew Hampshire
CountyMerrimack
Location3.6 Mi Fr Deering Tl
CarriesPatterson Hill RD
CrossesContoocook River
Coordinates43.16801, -71.84159

Condition Ratings

Overall ConditionFair
Deck9 (Excellent)
Superstructure5 (Fair)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length119.1 ft (36.3 m)
Max Span112.9 ft (34.4 m)
Deck Width14.4 ft (4.4 m)
Deck Area159.7 sq m
Main Spans1
Year Built1915 (reconstructed 2001)

Traffic

Avg Daily Traffic147 (2023)
Truck Traffic4%
Lanes On Bridge1

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is eligible for the National Register
Structure Number012000970010100

Nearby Bridges