US 3 over Carroll Stream
Good Condition69 years old3,116 vehicles/day
Location
| State | New Hampshire |
| County | Coos |
| Location | 3.4 Mi S Whitefield T/l |
| Carries | US 3 |
| Crosses | Carroll Stream |
| Coordinates | 44.30669, -71.54717 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Culvert |
| Total Length | 22.0 ft (6.7 m) |
| Max Span | 22.0 ft (6.7 m) |
| Deck Area | 85.8 sq m |
| Main Spans | 1 |
| Year Built | 1957 (reconstructed 2010) |
Traffic
| Avg Daily Traffic | 3,116 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 003900950006300 |