I-89 Nh 10 SB Ramp over Mascoma River Road-gated
Fair Condition60 years old4,655 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | 2.7 Mi From Vt S.l. |
| Carries | I-89 Nh 10 SB Ramp |
| Crosses | Mascoma River Road-gated |
| Coordinates | 43.63908, -72.27831 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 209.0 ft (63.7 m) |
| Max Span | 86.9 ft (26.5 m) |
| Deck Width | 24.9 ft (7.6 m) |
| Deck Area | 484.1 sq m |
| Main Spans | 3 |
| Year Built | 1966 |
Traffic
| Avg Daily Traffic | 4,655 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 014400990011100 |