I-89(RAMP A) over Turkey River

Fair Condition67 years old30,513 vehicles/day

Location

StateNew Hampshire
CountyMerrimack
LocationBow Interchange
CarriesI-89(RAMP A)
CrossesTurkey River
Coordinates43.17111, -71.52907

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure5 (Fair)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete Continuous
DesignFrame
Total Length33.1 ft (10.1 m)
Max Span13.5 ft (4.1 m)
Deck Width120.1 ft (36.6 m)
Deck Area369.7 sq m
Main Spans2
Year Built1959

Traffic

Avg Daily Traffic30,513 (2023)
Truck Traffic6%
Lanes On Bridge3

Inspection & Ownership

Last Inspection424
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number002701350016100

Nearby Bridges