Main Street over Mascoma River
Good Condition23 years old1,358 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | .87 Mi. From Jct. Rte. 4a |
| Carries | Main Street |
| Crosses | Mascoma River |
| Coordinates | 43.64164, -72.14584 |
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 | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 110.9 ft (33.8 m) |
| Max Span | 105.0 ft (32 m) |
| Deck Width | 43.3 ft (13.2 m) |
| Deck Area | 446.2 sq m |
| Main Spans | 1 |
| Year Built | 2003 |
Traffic
| Avg Daily Traffic | 1,358 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 007700810015400 |