Nh123 over Town Line Brook
Good Condition87 years old1,802 vehicles/day
Location
| State | New Hampshire |
| County | Hillsborough |
| Location | .05 Mi. NW Sharon Tl |
| Carries | Nh123 |
| Crosses | Town Line Brook |
| Coordinates | 42.84181, -71.93214 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 63.0 ft (19.2 m) |
| Max Span | 59.1 ft (18 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 188.2 sq m |
| Main Spans | 1 |
| Year Built | 1939 (reconstructed 1994) |
Traffic
| Avg Daily Traffic | 1,802 (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 | 020801000003600 |