Sr-21 over Grog Branch
Fair Condition40 years old36,500 vehicles/day
Location
| State | Florida |
| County | Clay |
| Location | Sr-21 & Cr-220 |
| Carries | Sr-21 |
| Crosses | Grog Branch |
| Coordinates | 30.08722, -81.85694 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 21.0 ft (6.4 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 154.9 sq m |
| Main Spans | 2 |
| Year Built | 1986 |
Traffic
| Avg Daily Traffic | 36,500 (2022) |
| Truck Traffic | 6% |
| Lanes On Bridge | 7 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 710060 |