Root Hill Road over Mill Brook
Fair Condition143 years old92 vehicles/day
Location
| State | New Hampshire |
| County | Sullivan |
| Location | 1.3 Mi Nh 120 |
| Carries | Root Hill Road |
| Crosses | Mill Brook |
| Coordinates | 43.46440, -72.36928 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Wood or Timber |
| Design | Truss - Thru |
| Total Length | 78.1 ft (23.8 m) |
| Max Span | 62.0 ft (18.9 m) |
| Deck Width | 16.1 ft (4.9 m) |
| Deck Area | 116.6 sq m |
| Main Spans | 1 |
| Year Built | 1883 |
Traffic
| Avg Daily Traffic | 92 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is on the National Register of Historic Places |
| Structure Number | 005500810009500 |