Nh112 Lost Riv RD over Clay Brook
Fair Condition94 years old1,677 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | 3.5 Mi From Landaff Tl |
| Carries | Nh112 Lost Riv RD |
| Crosses | Clay Brook |
| Coordinates | 44.07701, -71.79619 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 23.0 ft (7 m) |
| Max Span | 22.0 ft (6.7 m) |
| Deck Width | 33.5 ft (10.2 m) |
| Deck Area | 71.4 sq m |
| Main Spans | 1 |
| Year Built | 1932 (reconstructed 1983) |
Traffic
| Avg Daily Traffic | 1,677 (2023) |
| Truck Traffic | 5% |
| 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 | 007201140003500 |