Jefferson Notch RD over Clay Brook
Fair Condition53 years old96 vehicles/day
Location
| State | New Hampshire |
| County | Coos |
| Location | 4.7 Mi RT 302 |
| Carries | Jefferson Notch RD |
| Crosses | Clay Brook |
| Coordinates | 44.27264, -71.37039 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 27.9 ft (8.5 m) |
| Max Span | 26.9 ft (8.2 m) |
| Deck Width | 26.6 ft (8.1 m) |
| Deck Area | 68.8 sq m |
| Main Spans | 1 |
| Year Built | 1973 |
Traffic
| Avg Daily Traffic | 96 (2023) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 005551010019600 |