I-89 NB over Nh114

Fair Condition59 years old9,399 vehicles/day

Location

StateNew Hampshire
CountyMerrimack
Location1.9mi New London T.l.
CarriesI-89 NB
CrossesNh114
Coordinates43.37550, -71.94426

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure6 (Satisfactory)
Substructure5 (Fair)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length121.1 ft (36.9 m)
Max Span49.9 ft (15.2 m)
Deck Width43.6 ft (13.3 m)
Deck Area490.8 sq m
Main Spans3
Year Built1967 (reconstructed 1987)

Traffic

Avg Daily Traffic9,399 (2023)
Truck Traffic9%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection423
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number025001090014500

Nearby Bridges