I-93 SB over Nhrr Winnipesaukee River

Good Condition66 years old15,417 vehicles/day

Location

StateNew Hampshire
CountyMerrimack
LocationTilton Tl
CarriesI-93 SB
CrossesNhrr Winnipesaukee River
Coordinates43.45175, -71.57048

Condition Ratings

Overall ConditionGood
Deck8 (Very Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical7 — Countermeasures installed

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length341.9 ft (104.2 m)
Max Span84.0 ft (25.6 m)
Deck Width50.5 ft (15.4 m)
Deck Area1604.7 sq m
Main Spans4
Year Built1960 (reconstructed 2019)

Traffic

Avg Daily Traffic15,417 (2023)
Truck Traffic9%
Lanes On Bridge2

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number019601170015700

Nearby Bridges