I-93 SB over Cohas Brook
Fair Condition64 years old26,271 vehicles/day
Location
| State | New Hampshire |
| County | Hillsborough |
| Location | 1.5 Mi E Jct RT 28 |
| Carries | I-93 SB |
| Crosses | Cohas Brook |
| Coordinates | 42.95861, -71.40901 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 40.4 ft (12.3 m) |
| Max Span | 19.4 ft (5.9 m) |
| Deck Area | 142.7 sq m |
| Main Spans | 2 |
| Year Built | 1962 |
Traffic
| Avg Daily Traffic | 26,271 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 3 |
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 | 016101790012600 |