US 4 over Mascoma River
Good Condition61 years old7,633 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | 1.2 Mi From Enfield T.l. |
| Carries | US 4 |
| Crosses | Mascoma River |
| Coordinates | 43.65200, -72.09296 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 117.1 ft (35.7 m) |
| Max Span | 56.1 ft (17.1 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 360.6 sq m |
| Main Spans | 2 |
| Year Built | 1965 (reconstructed 2016) |
Traffic
| Avg Daily Traffic | 7,633 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 003601030004900 |