Nh 28 over Coffin Brook
Good Condition96 years old7,487 vehicles/day
Location
| State | New Hampshire |
| County | Belknap |
| Location | 3.0 Mi N Of Barnstead Tl |
| Carries | Nh 28 |
| Crosses | Coffin Brook |
| Coordinates | 43.42558, -71.20711 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 22.0 ft (6.7 m) |
| Max Span | 20.0 ft (6.1 m) |
| Deck Width | 43.0 ft (13.1 m) |
| Deck Area | 87.8 sq m |
| Main Spans | 1 |
| Year Built | 1930 |
Traffic
| Avg Daily Traffic | 7,487 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 000601900012100 |