SR821 NB Heft 18.0 over Relocated Canal C-100
GoodMiami-Dade County, Florida · 0.3 Mile S of SW 120 ST · Structure no. 870408
- Built
- 1973
- 52 years old, rebuilt 1992
- Condition
- Good
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 182 ft
- 3 main spans
- Daily traffic
- 60,950
- 2024 count
- Owner
- Toll Authority
- State Toll Authority
About this bridge
SR821 NB Heft 18.0 over Relocated Canal C-100 is a prestressed concrete stringer/multi-beam or girder carrying SR821 NB Heft 18.0 over Relocated Canal C-100 in Miami-Dade County, Florida. It was built in 1973 and reconstructed in 1992, so it is 52 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 60,950 vehicles a day, roughly 6% of them trucks, projected to reach 105,748 by 2042. The structure is 182 ft (55.4 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR821 NB Heft 18.0 over Relocated Canal C-100 built?
It was built in 1973, making it 52 years old in 2025. It was reconstructed in 1992.
What condition is SR821 NB Heft 18.0 over Relocated Canal C-100 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 SR821 NB Heft 18.0 over Relocated Canal C-100 carry?
About 60,950 vehicles per day (2024 count), of which roughly 6% are trucks.
How long is SR821 NB Heft 18.0 over Relocated Canal C-100?
The structure is 182 ft (55.4 m) long with a longest span of 61 ft (18.6 m) and a deck 45 ft wide.
Who owns SR821 NB Heft 18.0 over Relocated Canal C-100?
It is owned by the State Toll Authority.