US Route 1 over Mill River
Fair Condition36 years old14,500 vehicles/day
Location
| State | Connecticut |
| County | Fairfield |
| Location | Near Sasco Hill Road |
| Carries | US Route 1 |
| Crosses | Mill River |
| Coordinates | 41.13981, -73.27423 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 81.0 ft (24.7 m) |
| Max Span | 77.1 ft (23.5 m) |
| Deck Width | 65.6 ft (20 m) |
| Deck Area | 494 sq m |
| Main Spans | 1 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 14,500 (2022) |
| Truck Traffic | 6% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 05858 |