US Bridges

SR91 SB Tpk 152.9 over SR 91 Tpk(ft Pierce Int)

Good

St. Lucie County, Florida · SR 70 Okeechobee Exit 152 · Structure no. 940053

Built
1956
69 years old, rebuilt 2022
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
175 ft
4 main spans
Daily traffic
2,200
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR91 SB Tpk 152.9 over SR 91 Tpk(ft Pierce Int) is a prestressed concrete stringer/multi-beam or girder carrying SR91 SB Tpk 152.9 over SR 91 Tpk(ft Pierce Int) in St. Lucie County, Florida. It was built in 1956 and reconstructed in 2022, 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 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 2,200 vehicles a day, roughly 20% of them trucks, projected to reach 3,817 by 2042. The structure is 175 ft (53.4 m) long and 44 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSR91 SB Tpk 152.9
CrossesSR 91 Tpk(ft Pierce Int)
LocationSR 70 Okeechobee Exit 152
RouteState Highway 91
StateFlorida
Coordinates27.40835, -80.40033
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionDecember 2023
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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating55.3 US tons
Inventory rating42.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length175 ft (53.4 m)
Longest span58 ft (17.7 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2023)
Projected traffic3,817 by 2042
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 SR91 SB Tpk 152.9 over SR 91 Tpk(ft Pierce Int) built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2022.

What condition is SR91 SB Tpk 152.9 over SR 91 Tpk(ft Pierce 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 SB Tpk 152.9 over SR 91 Tpk(ft Pierce Int) carry?

About 2,200 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is SR91 SB Tpk 152.9 over SR 91 Tpk(ft Pierce Int)?

The structure is 175 ft (53.4 m) long with a longest span of 58 ft (17.7 m) and a deck 44 ft wide.

Who owns SR91 SB Tpk 152.9 over SR 91 Tpk(ft Pierce Int)?

It is owned by the State Toll Authority.