I-89 SB over West Joppa Road
Good Condition60 years old10,849 vehicles/day
Location
| State | New Hampshire |
| County | Merrimack |
| Location | 4.5 Mi Hopkinton Tl |
| Carries | I-89 SB |
| Crosses | West Joppa Road |
| Coordinates | 43.27358, -71.80922 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete |
| Design | Frame |
| Total Length | 40.4 ft (12.3 m) |
| Max Span | 35.4 ft (10.8 m) |
| Deck Width | 44.0 ft (13.4 m) |
| Deck Area | 164.8 sq m |
| Main Spans | 1 |
| Year Built | 1966 (reconstructed 1993) |
Traffic
| Avg Daily Traffic | 10,849 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 026301960012100 |