Nh 11 over Poor Farm Brook
Poor Condition60 years old5,227 vehicles/day
Location
| State | New Hampshire |
| County | Belknap |
| Location | 1.7 Mi S Alton Tl |
| Carries | Nh 11 |
| Crosses | Poor Farm Brook |
| Coordinates | 43.57221, -71.35552 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 29.9 ft (9.1 m) |
| Max Span | 27.9 ft (8.5 m) |
| Deck Width | 55.8 ft (17 m) |
| Deck Area | 154.7 sq m |
| Main Spans | 1 |
| Year Built | 1966 (reconstructed 2000) |
Traffic
| Avg Daily Traffic | 5,227 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 8 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 009101150014700 |