I-93 SB over Tripoli Road

Fair Condition54 years old7,166 vehicles/day

Location

StateNew Hampshire
CountyGrafton
Location3.46 Mi Lincoln Tl
CarriesI-93 SB
CrossesTripoli Road
Coordinates43.98912, -71.67351

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length148.0 ft (45.1 m)
Max Span140.1 ft (42.7 m)
Deck Width44.9 ft (13.7 m)
Deck Area617.9 sq m
Main Spans1
Year Built1972 (reconstructed 2009)

Traffic

Avg Daily Traffic7,166 (2023)
Truck Traffic10%
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 Number028402000010800

Nearby Bridges