I-293 SB Nh101 EB over Merrimack River Csx

Fair Condition66 years old41,914 vehicles/day

Location

StateNew Hampshire
CountyHillsborough
LocationManchester Tl
CarriesI-293 SB Nh101 EB
CrossesMerrimack River Csx
Coordinates42.94706, -71.46076

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length922.9 ft (281.3 m)
Max Span180.1 ft (54.9 m)
Deck Width55.1 ft (16.8 m)
Deck Area4725.8 sq m
Main Spans7
Year Built1960 (reconstructed 2019)

Traffic

Avg Daily Traffic41,914 (2023)
Truck Traffic6%
Lanes On Bridge3

Inspection & Ownership

Last Inspection924
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number001901990012800

Nearby Bridges