US 4 over Mascoma River
Good Condition33 years old7,633 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | 0.1 Mi From Enfield Tl |
| Carries | US 4 |
| Crosses | Mascoma River |
| Coordinates | 43.64370, -72.11310 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (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 | 152.9 ft (46.6 m) |
| Max Span | 149.9 ft (45.7 m) |
| Deck Width | 46.6 ft (14.2 m) |
| Deck Area | 661.7 sq m |
| Main Spans | 1 |
| Year Built | 1993 |
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 not eligible for the National Register |
| Structure Number | 003600900003400 |