SR-821 NB Heft 18 over C-100 Canal
GoodMiami-Dade County, Florida · 0.15 MI N of SR874 Intchg · Structure no. 870919
- Built
- 2019
- 6 years old
- Condition
- Good
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 121 ft
- 1 main span
- Daily traffic
- 49,500
- 2024 count
- Owner
- Toll Authority
- State Toll Authority
About this bridge
SR-821 NB Heft 18 over C-100 Canal is a prestressed concrete stringer/multi-beam or girder carrying SR-821 NB Heft 18 over C-100 Canal in Miami-Dade County, Florida. It was built in 2019, so it is 6 years old, younger 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 49,500 vehicles a day, roughly 8% of them trucks, projected to reach 85,882 by 2042. The structure is 121 ft (36.8 m) long and 85 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 | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 9 Excellent | No problems noted. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR-821 NB Heft 18 over C-100 Canal built?
It was built in 2019, making it 6 years old in 2025.
What condition is SR-821 NB Heft 18 over C-100 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 April 2024.
How much traffic does SR-821 NB Heft 18 over C-100 Canal carry?
About 49,500 vehicles per day (2024 count), of which roughly 8% are trucks.
How long is SR-821 NB Heft 18 over C-100 Canal?
The structure is 121 ft (36.8 m) long with a longest span of 121 ft (36.8 m) and a deck 85 ft wide.
Who owns SR-821 NB Heft 18 over C-100 Canal?
It is owned by the State Toll Authority.