I-91 NB Ramp 140 over Mill River
Fair Condition61 years old4,100 vehicles/day
Location
| State | Connecticut |
| County | New Haven |
| Location | Ramp From Willow ST To 91 |
| Carries | I-91 NB Ramp 140 |
| Crosses | Mill River |
| Coordinates | 41.31737, -72.90478 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 238.8 ft (72.8 m) |
| Max Span | 74.5 ft (22.7 m) |
| Deck Width | 31.5 ft (9.6 m) |
| Deck Area | 698.9 sq m |
| Main Spans | 4 |
| Year Built | 1965 |
Traffic
| Avg Daily Traffic | 4,100 (2022) |
| Truck Traffic | 5% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 03016 |