Nh 28 over I-293 Nh101

Good Condition66 years old35,231 vehicles/day

Location

StateNew Hampshire
CountyHillsborough
Location1.8 Mi N Londonderry Tl
CarriesNh 28
CrossesI-293 Nh101
Coordinates42.95690, -71.43609

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length172.9 ft (52.7 m)
Max Span56.1 ft (17.1 m)
Deck Width129.9 ft (39.6 m)
Deck Area2086.9 sq m
Main Spans3
Year Built1960 (reconstructed 1996)

Traffic

Avg Daily Traffic35,231 (2023)
Truck Traffic5%
Lanes On Bridge9
Lanes Under Bridge6

Inspection & Ownership

Last Inspection423
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number016101760009900

Nearby Bridges