SW 312th Street over Drainage Canal
GoodPosted for loadMarion County, Florida · 0.25 Mi. from Airfield on · Structure no. AFFLKYJM00002
- Built
- 1975
- 50 years old
- Condition
- Good
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 49 ft
- 1 main span
- Daily traffic
- 3
- 2024 count
- Owner
- Federal
- Air Force
About this bridge
SW 312th Street over Drainage Canal is a prestressed concrete stringer/multi-beam or girder carrying SW 312th Street over Drainage Canal in Marion County, Florida. It was built in 1975, so it is 50 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. Its operating status is: posted for load restriction.
It carries about 3 vehicles a day, projected to reach 4 by 2044. The structure is 49 ft (14.9 m) long and 14 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SW 312th Street over Drainage Canal built?
It was built in 1975, making it 50 years old in 2025.
What condition is SW 312th Street over Drainage 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 January 2024.
How much traffic does SW 312th Street over Drainage Canal carry?
About 3 vehicles per day (2024 count).
How long is SW 312th Street over Drainage Canal?
The structure is 49 ft (14.9 m) long with a longest span of 47 ft (14.4 m) and a deck 14 ft wide.
Who owns SW 312th Street over Drainage Canal?
It is owned by the Air Force.