I-89(RAMP D) over Turkey River
Good Condition39 years old8,925 vehicles/day
Location
| State | New Hampshire |
| County | Merrimack |
| Location | Bow Interchange |
| Carries | I-89(RAMP D) |
| Crosses | Turkey River |
| Coordinates | 43.17036, -71.53159 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 75.1 ft (22.9 m) |
| Max Span | 69.9 ft (21.3 m) |
| Deck Width | 34.1 ft (10.4 m) |
| Deck Area | 238.2 sq m |
| Main Spans | 1 |
| Year Built | 1987 |
Traffic
| Avg Daily Traffic | 8,925 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 002701350016200 |