Mill Hill Road over Dan Hole River
Good Condition86 years old22 vehicles/day
Location
| State | New Hampshire |
| County | Carroll |
| Location | 146 Ft Fr Dana Merrow RD |
| Carries | Mill Hill Road |
| Crosses | Dan Hole River |
| Coordinates | 43.75412, -71.16953 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 21.3 ft (6.5 m) |
| Max Span | 20.0 ft (6.1 m) |
| Deck Width | 23.0 ft (7 m) |
| Deck Area | 45.5 sq m |
| Main Spans | 1 |
| Year Built | 1940 (reconstructed 2019) |
Traffic
| Avg Daily Traffic | 22 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 020401470023500 |