SR821 Heft NB14.01 over Canal C-1-N
GoodMiami-Dade County, Florida · 1.15 Mi. North of US-1 · Structure no. 870402
- Built
- 1973
- 52 years old, rebuilt 2016
- Condition
- Good
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 205 ft
- 3 main spans
- Daily traffic
- 95,550
- 2024 count
- Owner
- Toll Authority
- State Toll Authority
About this bridge
SR821 Heft NB14.01 over Canal C-1-N is a prestressed concrete stringer/multi-beam or girder carrying SR821 Heft NB14.01 over Canal C-1-N in Miami-Dade County, Florida. It was built in 1973 and reconstructed in 2016, 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 95,550 vehicles a day, roughly 6% of them trucks, projected to reach 165,779 by 2042. The structure is 205 ft (62.5 m) long and 83 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 | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR821 Heft NB14.01 over Canal C-1-N built?
It was built in 1973, making it 52 years old in 2025. It was reconstructed in 2016.
What condition is SR821 Heft NB14.01 over Canal C-1-N 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 Heft NB14.01 over Canal C-1-N carry?
About 95,550 vehicles per day (2024 count), of which roughly 6% are trucks.
How long is SR821 Heft NB14.01 over Canal C-1-N?
The structure is 205 ft (62.5 m) long with a longest span of 81 ft (24.6 m) and a deck 83 ft wide.
Who owns SR821 Heft NB14.01 over Canal C-1-N?
It is owned by the State Toll Authority.