Structure 25601050006700 · Belknap County, NH
Carries US 3 Nh 11 Nh132 over Gulf Brook, 3.3 Mi NE Franklin Tl.
A culvert 23 ft across with 2 openings. Lengths are drawn to scale; at this length a semi-truck would be a speck. Each part is colored by its latest inspection rating. The inventory records lengths but not heights, so those are drawn as typical for a culvert.
| State | New Hampshire |
| County | Belknap |
| Location | 3.3 Mi NE Franklin Tl |
| Carries | US 3 Nh 11 Nh132 |
| Crosses | Gulf Brook |
| Coordinates | 43.45612, -71.56572 |
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 23.0 ft (7 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 136.5 sq m |
| Main Spans | 2 |
| Year Built | 1936 (reconstructed 1998) |
| Avg Daily Traffic | 23,105 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 4 |
| Last Inspection | June 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Scour Critical | 8 — Stable, low risk |
| Structure Number | 025601050006700 |
Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."
A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.