Interstate-91 over Mill Brook
Good Condition72 years old118,100 vehicles/day
Location
| State | Connecticut |
| County | Hartford |
| Location | 0.5 Mi North Of Route 305 |
| Carries | Interstate-91 |
| Crosses | Mill Brook |
| Coordinates | 41.86024, -72.66288 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 21.0 ft (6.4 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 302.1 sq m |
| Main Spans | 2 |
| Year Built | 1954 (reconstructed 1988) |
Traffic
| Avg Daily Traffic | 118,100 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 8 |
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 | 01264 |