US 3 over Lyman Brook
Fair Condition74 years old3,145 vehicles/day
Location
| State | New Hampshire |
| County | Coos |
| Location | 0.7 Mi NE Stratford Tl |
| Carries | US 3 |
| Crosses | Lyman Brook |
| Coordinates | 44.77917, -71.58331 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 51.8 ft (15.8 m) |
| Max Span | 44.9 ft (13.7 m) |
| Deck Width | 35.1 ft (10.7 m) |
| Deck Area | 169.1 sq m |
| Main Spans | 1 |
| Year Built | 1952 |
Traffic
| Avg Daily Traffic | 3,145 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 005100430003600 |