Plank Road over Mad River
Good Condition11 years old31,626 vehicles/day
Location
| State | Connecticut |
| County | New Haven |
| Location | 100w Of Harpers Ferry RD |
| Carries | Plank Road |
| Crosses | Mad River |
| Coordinates | 41.54069, -73.00889 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 45.9 ft (14 m) |
| Max Span | 13.1 ft (4 m) |
| Deck Width | 45.6 ft (13.9 m) |
| Deck Area | 194.6 sq m |
| Main Spans | 3 |
| Year Built | 2015 |
Traffic
| Avg Daily Traffic | 31,626 (2024) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 05668 |