Old Shaker Road over Shaker Brook
Good Condition106 years old300 vehicles/day
Location
| State | New Hampshire |
| County | Merrimack |
| Location | 1.7 Mi From RTE 106 |
| Carries | Old Shaker Road |
| Crosses | Shaker Brook |
| Coordinates | 43.32766, -71.48822 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 51.8 ft (15.8 m) |
| Max Span | 47.9 ft (14.6 m) |
| Deck Width | 17.1 ft (5.2 m) |
| Deck Area | 82.2 sq m |
| Main Spans | 1 |
| Year Built | 1920 (reconstructed 1995) |
Traffic
| Avg Daily Traffic | 300 (2023) |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 015501040013300 |