Center Hill Road over Blakes Brook
Good Condition18 years old852 vehicles/day
Location
| State | New Hampshire |
| County | Merrimack |
| Location | 0.3mi Nh9 |
| Carries | Center Hill Road |
| Crosses | Blakes Brook |
| Coordinates | 43.21921, -71.32647 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 36.1 ft (11 m) |
| Max Span | 33.8 ft (10.3 m) |
| Deck Area | 79.2 sq m |
| Main Spans | 1 |
| Year Built | 2008 |
Traffic
| Avg Daily Traffic | 852 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 007901180011600 |