Salmon Street WB over Merrimack River Csx RD

Fair Condition56 years old17,799 vehicles/day

Location

StateNew Hampshire
CountyHillsborough
Location.3mi W Jct US 3
CarriesSalmon Street WB
CrossesMerrimack River Csx RD
Coordinates43.00377, -71.46959

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure5 (Fair)
Substructure5 (Fair)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length857.9 ft (261.5 m)
Max Span165.0 ft (50.3 m)
Deck Width37.1 ft (11.3 m)
Deck Area2954.9 sq m
Main Spans4
Year Built1970 (reconstructed 1999)

Traffic

Avg Daily Traffic17,799 (2023)
Truck Traffic5%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection724
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Structure Number016101060007200

Nearby Bridges

Salmon Street EB over Merrimack R Csx RD Ramp 0.0 mi Poor Ramp E(camp St) over Csx 0.1 mi Fair South Ramp over I-293 Fee Tpk 0.3 mi Fair North Ramp over I-293 Fee Tpk 0.3 mi Fair I-293 Nh 3a Tpk N over Black Brook 0.5 mi Poor I-293 Nh 3a Tpk S over Black Brook 0.6 mi Poor Front Street over Black Brook 0.7 mi Good Bridge Street WB over I-293 Nh 3a Csx Merr R 0.7 mi Fair Bridge Street EB over I-293 Nh 3a Csx Merr R 0.7 mi Fair I-293 Fee Tpk over Stark Way 0.7 mi Poor