I-93 SB over Nh111

Good Condition12 years old42,082 vehicles/day

Location

StateNew Hampshire
CountyRockingham
Location3 Mi South Of Derry Tl
CarriesI-93 SB
CrossesNh111
Coordinates42.80914, -71.27259

Condition Ratings

Overall ConditionGood
Deck8 (Very Good)
Superstructure8 (Very Good)
Substructure8 (Very Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length409.8 ft (124.9 m)
Max Span230.0 ft (70.1 m)
Deck Width75.1 ft (22.9 m)
Deck Area2860.2 sq m
Main Spans2
Year Built2014

Traffic

Avg Daily Traffic42,082 (2023)
Truck Traffic25%
Lanes On Bridge4
Lanes Under Bridge6

Inspection & Ownership

Last Inspection523
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number028001370010200

Nearby Bridges