I-89 Nh 10 NB over Truck Road Mascoma River
Fair Condition60 years old23,084 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | 5.9 Mi Enfield T.l. |
| Carries | I-89 Nh 10 NB |
| Crosses | Truck Road Mascoma River |
| Coordinates | 43.63933, -72.27859 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 231.0 ft (70.4 m) |
| Max Span | 86.9 ft (26.5 m) |
| Deck Width | 50.2 ft (15.3 m) |
| Deck Area | 1077.1 sq m |
| Main Spans | 3 |
| Year Built | 1966 |
Traffic
| Avg Daily Traffic | 23,084 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 3 |
| 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 | 014400970011200 |