I-93 NB over Eastman Brook
Good Condition54 years old7,017 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | 2.51 Mi Thornton Tl |
| Carries | I-93 NB |
| Crosses | Eastman Brook |
| Coordinates | 43.96933, -71.67504 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 40.0 ft (12.2 m) |
| Max Span | 7.9 ft (2.4 m) |
| Deck Width | 86.9 ft (26.5 m) |
| Deck Area | 323.3 sq m |
| Main Spans | 2 |
| Year Built | 1972 |
Traffic
| Avg Daily Traffic | 7,017 (2023) |
| Truck Traffic | 10% |
| Lanes On 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 | 028402040007900 |