Nh 18 over I-93 Parkway
Good Condition40 years old587 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | 3 Mi.n Lincoln Tl |
| Carries | Nh 18 |
| Crosses | I-93 Parkway |
| Coordinates | 44.17927, -71.69182 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 154.9 ft (47.2 m) |
| Max Span | 149.9 ft (45.7 m) |
| Deck Width | 45.9 ft (14 m) |
| Deck Area | 660.8 sq m |
| Main Spans | 1 |
| Year Built | 1986 |
Traffic
| Avg Daily Traffic | 587 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 3 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 008701320007900 |