Nh 11 over Blackwater River
Good Condition67 years old5,615 vehicles/day
Location
| State | New Hampshire |
| County | Merrimack |
| Location | 0.7 Mi From Wilmot T.l. |
| Carries | Nh 11 |
| Crosses | Blackwater River |
| Coordinates | 43.43117, -71.86867 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 9 (Excellent) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 124.0 ft (37.8 m) |
| Max Span | 60.0 ft (18.3 m) |
| Deck Width | 48.6 ft (14.8 m) |
| Deck Area | 559.4 sq m |
| Main Spans | 2 |
| Year Built | 1959 (reconstructed 2013) |
Traffic
| Avg Daily Traffic | 5,615 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 000800500009300 |