US Bridges

SR-A1A over Fpl Nuc Plant Intake Cnl

Fair

St. Lucie County, Florida · 6.5 MI North of SR-732 · Structure no. 940084

Built
1974
51 years old, rebuilt 2009
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
280 ft
4 main spans
Daily traffic
3,800
2022 count
Owner
State
State Highway Agency

About this bridge

SR-A1A over Fpl Nuc Plant Intake Cnl is a prestressed concrete stringer/multi-beam or girder carrying SR-A1A over Fpl Nuc Plant Intake Cnl in St. Lucie County, Florida. It was built in 1974 and reconstructed in 2009, so it is 51 years old, older than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,800 vehicles a day, roughly 6% of them trucks, projected to reach 6,593 by 2044. The structure is 280 ft (85.3 m) long and 46 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSR-A1A
CrossesFpl Nuc Plant Intake Cnl
Location6.5 MI North of SR-732
RouteState Highway 0A1A
StateFlorida
Coordinates27.3445, -80.24011
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating66.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length280 ft (85.3 m)
Longest span70 ft (21.3 m)
Deck width46 ft (14.1 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2022)
Projected traffic6,593 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR-A1A over Fpl Nuc Plant Intake Cnl built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2009.

What condition is SR-A1A over Fpl Nuc Plant Intake Cnl in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does SR-A1A over Fpl Nuc Plant Intake Cnl carry?

About 3,800 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR-A1A over Fpl Nuc Plant Intake Cnl?

The structure is 280 ft (85.3 m) long with a longest span of 70 ft (21.3 m) and a deck 46 ft wide.

Who owns SR-A1A over Fpl Nuc Plant Intake Cnl?

It is owned by the State Highway Agency.