Spring Street over Great Brook
Good Condition73 years old591 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | 0.3 Mi Fr Nh Route 120 |
| Carries | Spring Street |
| Crosses | Great Brook |
| Coordinates | 43.63674, -72.25281 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 42.3 ft (12.9 m) |
| Max Span | 38.1 ft (11.6 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 126.4 sq m |
| Main Spans | 1 |
| Year Built | 1953 (reconstructed 2004) |
Traffic
| Avg Daily Traffic | 591 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 014401210010800 |