Nh109 over Shannon Brook
Fair Condition97 years old2,514 vehicles/day
Location
| State | New Hampshire |
| County | Carroll |
| Location | 3.3 Mi From Tuftonboro Tl |
| Carries | Nh109 |
| Crosses | Shannon Brook |
| Coordinates | 43.73027, -71.35752 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 24.9 ft (7.6 m) |
| Max Span | 23.0 ft (7 m) |
| Deck Width | 33.8 ft (10.3 m) |
| Deck Area | 78.3 sq m |
| Main Spans | 1 |
| Year Built | 1929 (reconstructed 2015) |
Traffic
| Avg Daily Traffic | 2,514 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 017601860019300 |