Birchdale Road over White Brook
Good Condition8 years old565 vehicles/day
Location
| State | New Hampshire |
| County | Merrimack |
| Location | 1.25 Mi SE Jct Nh 13 |
| Carries | Birchdale Road |
| Crosses | White Brook |
| Coordinates | 43.15153, -71.57308 |
Condition Ratings
| Overall Condition | Good |
| Deck | 9 (Excellent) |
| Superstructure | 9 (Excellent) |
| Substructure | 9 (Excellent) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 27.9 ft (8.5 m) |
| Max Span | 25.9 ft (7.9 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 85.8 sq m |
| Main Spans | 1 |
| Year Built | 2018 |
Traffic
| Avg Daily Traffic | 565 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 002700920013600 |