North Road over Smith River
Fair Condition90 years old511 vehicles/day
Location
| State | New Hampshire |
| County | Merrimack |
| Location | .36 Mi. NW Jct. 104 And 4 |
| Carries | North Road |
| Crosses | Smith River |
| Coordinates | 43.53111, -71.86232 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 45.9 ft (14 m) |
| Max Span | 43.0 ft (13.1 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 102.2 sq m |
| Main Spans | 1 |
| Year Built | 1936 (reconstructed 1949) |
Traffic
| Avg Daily Traffic | 511 (2023) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 005801380010400 |