Nh136 over Otter Brook
Fair Condition58 years old2,518 vehicles/day
Location
| State | New Hampshire |
| County | Hillsborough |
| Location | 1.9 Mi E Greenfield Tl |
| Carries | Nh136 |
| Crosses | Otter Brook |
| Coordinates | 42.91444, -71.92070 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 24.9 ft (7.6 m) |
| Max Span | 23.0 ft (7 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 64.6 sq m |
| Main Spans | 1 |
| Year Built | 1968 |
Traffic
| Avg Daily Traffic | 2,518 (2023) |
| Truck Traffic | 4% |
| 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 | 020801270013300 |