I-89 SB Off Ramp over Plaza Connector Road
Good Condition14 years old8,958 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | SB Off Ramp At Exit 20 |
| Carries | I-89 SB Off Ramp |
| Crosses | Plaza Connector Road |
| Coordinates | 43.63182, -72.32327 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 55.1 ft (16.8 m) |
| Max Span | 47.6 ft (14.5 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 169.7 sq m |
| Main Spans | 1 |
| Year Built | 2012 |
Traffic
| Avg Daily Traffic | 8,958 (2023) |
| Lanes On Bridge | 1 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 014400480009800 |