SR 924 Gratigny over Rio Vista Canal
GoodMiami-Dade County, Florida · 0.4M E/O SR 9 · Structure no. 870621
- Built
- 1957
- 68 years old, rebuilt 1971
- Condition
- Good
- inspected March 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 60 ft
- 3 main spans
- Daily traffic
- 39,000
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
SR 924 Gratigny over Rio Vista Canal is a prestressed concrete slab carrying SR 924 Gratigny over Rio Vista Canal in Miami-Dade County, Florida. It was built in 1957 and reconstructed in 1971, so it is 68 years old, older than the Florida average of 41.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 39,000 vehicles a day, roughly 6% of them trucks, projected to reach 67,665 by 2044. The structure is 60 ft (18.4 m) long and 100 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 924 Gratigny over Rio Vista Canal built?
It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1971.
What condition is SR 924 Gratigny over Rio Vista Canal in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.
How much traffic does SR 924 Gratigny over Rio Vista Canal carry?
About 39,000 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is SR 924 Gratigny over Rio Vista Canal?
The structure is 60 ft (18.4 m) long with a longest span of 20 ft (6.1 m) and a deck 100 ft wide.
Who owns SR 924 Gratigny over Rio Vista Canal?
It is owned by the State Highway Agency.