I-93 NB over Nhrr Winnipesaukee River

Good Condition66 years old15,544 vehicles/day

Location

StateNew Hampshire
CountyMerrimack
LocationTilton Tl
CarriesI-93 NB
CrossesNhrr Winnipesaukee River
Coordinates43.45202, -71.57012

Condition Ratings

Overall ConditionGood
Deck8 (Very Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway6 (Satisfactory)
Scour Critical7 — Countermeasures installed

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length333.0 ft (101.5 m)
Max Span82.0 ft (25 m)
Deck Width42.7 ft (13 m)
Deck Area1319.5 sq m
Main Spans4
Year Built1960 (reconstructed 2019)

Traffic

Avg Daily Traffic15,544 (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 Number019601180015800

Nearby Bridges