US Bridges

CR712A (mccarty RD over Ten Mile Creek

FairPosted for load

St. Lucie County, Florida · 0.3MI N of CR-712 · Structure no. 940030

Built
1952
73 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete
Length
135 ft
9 main spans
Daily traffic
300
2023 count
Owner
County
County Highway Agency

About this bridge

CR712A (mccarty RD over Ten Mile Creek is a concrete slab carrying CR712A (mccarty RD over Ten Mile Creek in St. Lucie County, Florida. It was built in 1952, so it is 73 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 300 vehicles a day, roughly 5% of them trucks, projected to reach 500 by 2042. The structure is 135 ft (41.1 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCR712A (mccarty RD
CrossesTen Mile Creek
Location0.3MI N of CR-712
RouteCounty Highway 712A
CountySt. Lucie County
StateFlorida
Coordinates27.37975, -80.44828
Functional classUrban Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating26.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans9
Design loadH 10
Structure length135 ft (41.1 m)
Longest span15 ft (4.6 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic500 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 CR712A (mccarty RD over Ten Mile Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is CR712A (mccarty RD over Ten Mile Creek 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 January 2025.

How much traffic does CR712A (mccarty RD over Ten Mile Creek carry?

About 300 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is CR712A (mccarty RD over Ten Mile Creek?

The structure is 135 ft (41.1 m) long with a longest span of 15 ft (4.6 m) and a deck 26 ft wide.

Who owns CR712A (mccarty RD over Ten Mile Creek?

It is owned by the County Highway Agency.