SR821 NB Heft 18.4 over SW 120th Street
GoodMiami-Dade County, Florida · 2 Miles South of SR 94 · Structure no. 870735
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 193 ft
- 2 main spans
- Daily traffic
- 60,950
- 2024 count
- Owner
- Toll Authority
- State Toll Authority
About this bridge
SR821 NB Heft 18.4 over SW 120th Street is a prestressed concrete stringer/multi-beam or girder carrying SR821 NB Heft 18.4 over SW 120th Street in Miami-Dade County, Florida. It was built in 1991, so it is 34 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 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 193 ft (58.8 m) long and 94 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR821 NB Heft 18.4 over SW 120th Street built?
It was built in 1991, making it 34 years old in 2025.
What condition is SR821 NB Heft 18.4 over SW 120th Street 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 18.4 over SW 120th Street carry?
About 60,950 vehicles per day (2024 count), of which roughly 6% are trucks.
How long is SR821 NB Heft 18.4 over SW 120th Street?
The structure is 193 ft (58.8 m) long with a longest span of 101 ft (30.8 m) and a deck 94 ft wide.
Who owns SR821 NB Heft 18.4 over SW 120th Street?
It is owned by the State Toll Authority.