I-89 NB over I-89 Ramp
Good Condition67 years old18,311 vehicles/day
Location
| State | New Hampshire |
| County | Merrimack |
| Location | 2.1 Mi West Of Concord Tl |
| Carries | I-89 NB |
| Crosses | I-89 Ramp |
| Coordinates | 43.18391, -71.65630 |
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 | 148.0 ft (45.1 m) |
| Max Span | 57.1 ft (17.4 m) |
| Deck Width | 65.0 ft (19.8 m) |
| Deck Area | 893.0 sq m |
| Main Spans | 3 |
| Year Built | 1959 (reconstructed 1992) |
Traffic
| Avg Daily Traffic | 18,311 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 012901420007300 |