Speaker Road over S Br Mill Creek Drain
Good Condition16 years old109 vehicles/day
Location
| State | Michigan |
| County | St. Clair |
| Location | Sec 13-24 Lynn Twp |
| Carries | Speaker Road |
| Crosses | S Br Mill Creek Drain |
| Coordinates | 43.11350, -82.89223 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 109.9 ft (33.5 m) |
| Max Span | 107.6 ft (32.8 m) |
| Deck Width | 31.2 ft (9.5 m) |
| Deck Area | 318.2 sq m |
| Main Spans | 1 |
| Year Built | 2010 |
Traffic
| Avg Daily Traffic | 109 (2008) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000010217 |