I-89(RAMP F) over Turkey River

Fair Condition67 years old3,904 vehicles/day

Location

StateNew Hampshire
CountyMerrimack
LocationBow Interchange
CarriesI-89(RAMP F)
CrossesTurkey River
Coordinates43.16956, -71.53464

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length67.9 ft (20.7 m)
Max Span65.0 ft (19.8 m)
Deck Width49.9 ft (15.2 m)
Deck Area314.6 sq m
Main Spans1
Year Built1959 (reconstructed 1980)

Traffic

Avg Daily Traffic3,904 (2023)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last Inspection424
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number002701300016100

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