SR91 Tpk SB 143.3 over SR-91 Tpk (st Lucie Int)
GoodSt. Lucie County, Florida · 0.2 MI N of ST Lucie Blvd · Structure no. 940121
- Built
- 1975
- 50 years old
- Condition
- Good
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 224 ft
- 4 main spans
- Daily traffic
- 1,700
- 2022 count
- Owner
- Toll Authority
- State Toll Authority
About this bridge
SR91 Tpk SB 143.3 over SR-91 Tpk (st Lucie Int) is a prestressed concrete stringer/multi-beam or girder carrying SR91 Tpk SB 143.3 over SR-91 Tpk (st Lucie Int) in St. Lucie 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.
It carries about 1,700 vehicles a day, roughly 20% of them trucks, projected to reach 2,950 by 2042. The structure is 224 ft (68.3 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR91 Tpk SB 143.3 over SR-91 Tpk (st Lucie Int) built?
It was built in 1975, making it 50 years old in 2025.
What condition is SR91 Tpk SB 143.3 over SR-91 Tpk (st Lucie Int) 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 Tpk SB 143.3 over SR-91 Tpk (st Lucie Int) carry?
About 1,700 vehicles per day (2022 count), of which roughly 20% are trucks.
How long is SR91 Tpk SB 143.3 over SR-91 Tpk (st Lucie Int)?
The structure is 224 ft (68.3 m) long with a longest span of 79 ft (24.1 m) and a deck 47 ft wide.
Who owns SR91 Tpk SB 143.3 over SR-91 Tpk (st Lucie Int)?
It is owned by the State Toll Authority.