Nh 12a over Blood Brook
Fair Condition72 years old3,586 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | .4 Mi. From Plainfield Tl |
| Carries | Nh 12a |
| Crosses | Blood Brook |
| Coordinates | 43.60635, -72.32523 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Frame |
| Total Length | 103.0 ft (31.4 m) |
| Max Span | 40.0 ft (12.2 m) |
| Deck Width | 35.1 ft (10.7 m) |
| Deck Area | 336.0 sq m |
| Main Spans | 3 |
| Year Built | 1954 |
Traffic
| Avg Daily Traffic | 3,586 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 014400490006400 |