C-d Road over Ramp D Toll Access DR
Good Condition30 years old10,224 vehicles/day
Location
| State | New Hampshire |
| County | Hillsborough |
| Location | 1.1 Mi N Mass Sl |
| Carries | C-d Road |
| Crosses | Ramp D Toll Access DR |
| Coordinates | 42.71884, -71.44834 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 217.8 ft (66.4 m) |
| Max Span | 130.9 ft (39.9 m) |
| Deck Width | 40.0 ft (12.2 m) |
| Deck Area | 810.1 sq m |
| Main Spans | 2 |
| Year Built | 1996 |
Traffic
| Avg Daily Traffic | 10,224 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Toll Authority |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 017701460005000 |