Nh106 over Shaker Brook
Fair Condition75 years old13,249 vehicles/day
Location
| State | New Hampshire |
| County | Merrimack |
| Location | 4.0 Mi N Concord Tl |
| Carries | Nh106 |
| Crosses | Shaker Brook |
| Coordinates | 43.31708, -71.47697 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 30.8 ft (9.4 m) |
| Max Span | 15.1 ft (4.6 m) |
| Deck Area | 137.2 sq m |
| Main Spans | 2 |
| Year Built | 1951 |
Traffic
| Avg Daily Traffic | 13,249 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 015501000011400 |