US Bridges

Singletary Road over Branch of Myakka River

FairPosted for load

Manatee County, Florida · 0.4MILE SW of SR-70 · Structure no. 134055

Built
1970
55 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
30 ft
2 main spans
Daily traffic
650
2024 count
Owner
County
County Highway Agency

About this bridge

Singletary Road over Branch of Myakka River is a concrete slab carrying Singletary Road over Branch of Myakka River in Manatee County, Florida. It was built in 1970, so it is 55 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 650 vehicles a day, roughly 7% of them trucks, projected to reach 1,128 by 2044. The structure is 30 ft (9.1 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSingletary Road
CrossesBranch of Myakka River
Location0.4MILE SW of SR-70
RouteCounty Highway 0
CountyManatee County
StateFlorida
Coordinates27.34505, -82.16722
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating38 US tons
Inventory rating22.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span15 ft (4.6 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2024)
Projected traffic1,128 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Singletary Road over Branch of Myakka River built?

It was built in 1970, making it 55 years old in 2025.

What condition is Singletary Road over Branch of Myakka River 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 April 2024.

How much traffic does Singletary Road over Branch of Myakka River carry?

About 650 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Singletary Road over Branch of Myakka River?

The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m) and a deck 27 ft wide.

Who owns Singletary Road over Branch of Myakka River?

It is owned by the County Highway Agency.