I-93 NB over Salmon Brook
Fair Condition64 years old14,262 vehicles/day
Location
| State | New Hampshire |
| County | Belknap |
| Location | 3.4 Mi Tilton Tl |
| Carries | I-93 NB |
| Crosses | Salmon Brook |
| Coordinates | 43.52180, -71.61266 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 27.9 ft (8.5 m) |
| Max Span | 24.0 ft (7.3 m) |
| Deck Area | 98.6 sq m |
| Main Spans | 1 |
| Year Built | 1962 |
Traffic
| Avg Daily Traffic | 14,262 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 023101270009900 |