US Bridges

Port St. Lucie Bld over SR-91 (florida Turnpike)

Good

St. Lucie County, Florida · Port ST Lucie / Fl Tpk. · Structure no. 940142

Built
1995
30 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
260 ft
3 main spans
Daily traffic
50,000
2025 count
Owner
State
State Highway Agency

About this bridge

Port St. Lucie Bld over SR-91 (florida Turnpike) is a prestressed concrete stringer/multi-beam or girder carrying Port St. Lucie Bld over SR-91 (florida Turnpike) in St. Lucie County, Florida. It was built in 1995, so it is 30 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 50,000 vehicles a day, roughly 7% of them trucks, projected to reach 86,750 by 2045. The structure is 260 ft (79.3 m) long and 115 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesPort St. Lucie Bld
CrossesSR-91 (florida Turnpike)
LocationPort ST Lucie / Fl Tpk.
RouteState Highway 716
StateFlorida
Coordinates27.27284, -80.35842
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.9 US tons
Inventory rating58.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length260 ft (79.3 m)
Longest span87 ft (26.5 m)
Deck width115 ft (35.2 m)
Roadway width111 ft (33.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50,000 (2025)
Projected traffic86,750 by 2045
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Port St. Lucie Bld over SR-91 (florida Turnpike) built?

It was built in 1995, making it 30 years old in 2025.

What condition is Port St. Lucie Bld over SR-91 (florida Turnpike) 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 2025.

How much traffic does Port St. Lucie Bld over SR-91 (florida Turnpike) carry?

About 50,000 vehicles per day (2025 count), of which roughly 7% are trucks.

How long is Port St. Lucie Bld over SR-91 (florida Turnpike)?

The structure is 260 ft (79.3 m) long with a longest span of 87 ft (26.5 m) and a deck 115 ft wide.

Who owns Port St. Lucie Bld over SR-91 (florida Turnpike)?

It is owned by the State Highway Agency.