I-93 NB over US 3 Nhrr
Good Condition56 years old7,345 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | 1.72 Mi Thornton Tl |
| Carries | I-93 NB |
| Crosses | US 3 Nhrr |
| Coordinates | 43.95846, -71.67999 |
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 | 189.0 ft (57.6 m) |
| Max Span | 139.1 ft (42.4 m) |
| Deck Width | 50.9 ft (15.5 m) |
| Deck Area | 892.8 sq m |
| Main Spans | 2 |
| Year Built | 1970 (reconstructed 2002) |
Traffic
| Avg Daily Traffic | 7,345 (2023) |
| Truck Traffic | 19% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 028402030006400 |