US 3 Nh 3a over I-293 Nh 3a Csx Merr R
Fair Condition103 years old22,640 vehicles/day
Location
| State | New Hampshire |
| County | Hillsborough |
| Location | 0.7 Mi Bedford Tl |
| Carries | US 3 Nh 3a |
| Crosses | I-293 Nh 3a Csx Merr R |
| Coordinates | 42.97419, -71.47181 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Truss - Deck |
| Total Length | 1186.0 ft (361.5 m) |
| Max Span | 153.9 ft (46.9 m) |
| Deck Width | 59.1 ft (18 m) |
| Deck Area | 6,507 sq m |
| Main Spans | 3 |
| Year Built | 1923 (reconstructed 2020) |
Traffic
| Avg Daily Traffic | 22,640 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 5 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 016101510006500 |