Main Street over Mascoma River
Good Condition72 years old1,358 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | .3 Mi. SW From Inv RTE 40 |
| Carries | Main Street |
| Crosses | Mascoma River |
| Coordinates | 43.64068, -72.14880 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 91.9 ft (28 m) |
| Max Span | 44.0 ft (13.4 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 254.8 sq m |
| Main Spans | 2 |
| Year Built | 1954 (reconstructed 2004) |
Traffic
| Avg Daily Traffic | 1,358 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 007700790015300 |