Nh111 over Harris RD Flatrock Bk
Good Condition19 years old17,014 vehicles/day
Location
| State | New Hampshire |
| County | Rockingham |
| Location | 0.5mi East Nh 28 |
| Carries | Nh111 |
| Crosses | Harris RD Flatrock Bk |
| Coordinates | 42.81456, -71.24654 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 601.0 ft (183.2 m) |
| Max Span | 161.1 ft (49.1 m) |
| Deck Width | 86.0 ft (26.2 m) |
| Deck Area | 4799.8 sq m |
| Main Spans | 4 |
| Year Built | 2007 |
Traffic
| Avg Daily Traffic | 17,014 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 4 |
| 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 | 028001610011400 |