Herbison Road over Looking Glass River
Fair Condition15 years old449 vehicles/day
Location
| State | Michigan |
| County | Clinton |
| Location | Between The Forest Hills |
| Carries | Herbison Road |
| Crosses | Looking Glass River |
| Coordinates | 42.82778, -84.68143 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| 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 | 115.2 ft (35.1 m) |
| Max Span | 112.5 ft (34.3 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 354.5 sq m |
| Main Spans | 1 |
| Year Built | 2011 |
Traffic
| Avg Daily Traffic | 449 (2009) |
| Truck Traffic | 1% |
| 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 | 000000000002019 |