High Bridge Road over Archertown Brook
Poor Condition86 years old96 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | 150ft W Tillotson RD Jct |
| Carries | High Bridge Road |
| Crosses | Archertown Brook |
| Coordinates | 43.89701, -72.11386 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 1 (Imminent Failure) |
| Superstructure | 1 (Imminent Failure) |
| Substructure | 1 (Imminent Failure) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 24.0 ft (7.3 m) |
| Max Span | 23.0 ft (7 m) |
| Deck Width | 14.1 ft (4.3 m) |
| Deck Area | 31.4 sq m |
| Main Spans | 1 |
| Year Built | 1940 |
Traffic
| Avg Daily Traffic | 96 (2023) |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 16 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 020300870010800 |