I-93 NB over Bridge Street

Fair Condition49 years old25,082 vehicles/day

Location

StateNew Hampshire
CountyHillsborough
Location1.2 Mi W Jct Nh 28 Byp
CarriesI-93 NB
CrossesBridge Street
Coordinates42.99374, -71.41594

Condition Ratings

Overall ConditionFair
Deck8 (Very Good)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length85.0 ft (25.9 m)
Max Span80.1 ft (24.4 m)
Deck Width62.7 ft (19.1 m)
Deck Area494.7 sq m
Main Spans1
Year Built1977 (reconstructed 1999)

Traffic

Avg Daily Traffic25,082 (2023)
Truck Traffic6%
Lanes On Bridge3
Lanes Under Bridge4

Inspection & Ownership

Last Inspection423
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number016101280012600

Nearby Bridges