Riverside Drive over Mascoma River
Fair Condition35 years old1,736 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | 1.0mi Jct Us. 4 |
| Carries | Riverside Drive |
| Crosses | Mascoma River |
| Coordinates | 43.63874, -72.22244 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Wood or Timber |
| Design | Truss - Thru |
| Total Length | 76.1 ft (23.2 m) |
| Max Span | 53.1 ft (16.2 m) |
| Deck Width | 14.8 ft (4.5 m) |
| Deck Area | 104.4 sq m |
| Main Spans | 1 |
| Year Built | 1991 |
Traffic
| Avg Daily Traffic | 1,736 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 014401540011300 |