I-89 SB over Truck Road Mascoma River
Fair Condition60 years old19,997 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | 5.9 Mi Enfield Tl |
| Carries | I-89 SB |
| Crosses | Truck Road Mascoma River |
| Coordinates | 43.63919, -72.27848 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| 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 | 42.3 ft (12.9 m) |
| Deck Area | 908.2 sq m |
| Main Spans | 3 |
| Year Built | 1966 |
Traffic
| Avg Daily Traffic | 19,997 (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 | 014400980011100 |