SR91 N/S Tpk 147.7 over Drainage Ditch
GoodSt. Lucie County, Florida · 2.85 MI South of SR-712 · Structure no. 940106
- Built
- 1956
- 69 years old
- Condition
- Good
- inspected December 2023
- Type
- Culvert
- Concrete
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 46,900
- 2022 count
- Owner
- Toll Authority
- State Toll Authority
About this bridge
SR91 N/S Tpk 147.7 over Drainage Ditch is a concrete culvert carrying SR91 N/S Tpk 147.7 over Drainage Ditch in St. Lucie County, Florida. It was built in 1956, so it is 69 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 46,900 vehicles a day, roughly 20% of them trucks, projected to reach 81,372 by 2042. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 6.2 mi (10 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR91 N/S Tpk 147.7 over Drainage Ditch built?
It was built in 1956, making it 69 years old in 2025.
What condition is SR91 N/S Tpk 147.7 over Drainage Ditch 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 December 2023.
How much traffic does SR91 N/S Tpk 147.7 over Drainage Ditch carry?
About 46,900 vehicles per day (2022 count), of which roughly 20% are trucks.
How long is SR91 N/S Tpk 147.7 over Drainage Ditch?
The structure is 23 ft (6.9 m) long with a longest span of 11 ft (3.5 m).
Who owns SR91 N/S Tpk 147.7 over Drainage Ditch?
It is owned by the State Toll Authority.