I-93 NB over Cohas Brook
Good Condition64 years old38,772 vehicles/day
Location
| State | New Hampshire |
| County | Hillsborough |
| Location | 1.6mi E Jct RT 28 |
| Carries | I-93 NB |
| Crosses | Cohas Brook |
| Coordinates | 42.95373, -71.40226 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 152.9 ft (46.6 m) |
| Max Span | 56.1 ft (17.1 m) |
| Deck Width | 89.9 ft (27.4 m) |
| Deck Area | 1276.8 sq m |
| Main Spans | 3 |
| Year Built | 1962 (reconstructed 2021) |
Traffic
| Avg Daily Traffic | 38,772 (2023) |
| Truck Traffic | 11% |
| Lanes On Bridge | 4 |
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 | 016101870013400 |