SR 91 Tpk SB 153.2 over SR 70
GoodSt. Lucie County, Florida · 2.6 Miles North of SR-709 · Structure no. 940134
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 210 ft
- 3 main spans
- Daily traffic
- 23,450
- 2022 count
- Owner
- Toll Authority
- State Toll Authority
About this bridge
SR 91 Tpk SB 153.2 over SR 70 is a prestressed concrete stringer/multi-beam or girder carrying SR 91 Tpk SB 153.2 over SR 70 in St. Lucie 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 23,450 vehicles a day, roughly 20% of them trucks, projected to reach 40,686 by 2042. The structure is 210 ft (64 m) long and 56 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 SR 91 Tpk SB 153.2 over SR 70 built?
It was built in 1991, making it 34 years old in 2025.
What condition is SR 91 Tpk SB 153.2 over SR 70 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 SR 91 Tpk SB 153.2 over SR 70 carry?
About 23,450 vehicles per day (2022 count), of which roughly 20% are trucks.
How long is SR 91 Tpk SB 153.2 over SR 70?
The structure is 210 ft (64 m) long with a longest span of 118 ft (36 m) and a deck 56 ft wide.
Who owns SR 91 Tpk SB 153.2 over SR 70?
It is owned by the State Toll Authority.