NW 12th Avenue over Local Streets and RR
GoodMiami-Dade County, Florida · 0.1 Mile N of NW 71st St. · Structure no. 874033
- Built
- 1985
- 40 years old
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 790 ft
- 9 main spans
- Daily traffic
- 15,183
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
NW 12th Avenue over Local Streets and RR is a prestressed concrete stringer/multi-beam or girder carrying NW 12th Avenue over Local Streets and RR in Miami-Dade County, Florida. It was built in 1985, so it is 40 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 15,183 vehicles a day, roughly 5% of them trucks, projected to reach 24,333 by 2042. The structure is 790 ft (240.8 m) long and 74 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NW 12th Avenue over Local Streets and RR built?
It was built in 1985, making it 40 years old in 2025.
What condition is NW 12th Avenue over Local Streets and RR 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 June 2024.
How much traffic does NW 12th Avenue over Local Streets and RR carry?
About 15,183 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is NW 12th Avenue over Local Streets and RR?
The structure is 790 ft (240.8 m) long with a longest span of 104 ft (31.6 m) and a deck 74 ft wide.
Who owns NW 12th Avenue over Local Streets and RR?
It is owned by the County Highway Agency.