US Bridges

Duette Road over Myakka River

Fair

Manatee County, Florida · 0.8 MI North of SR-64 · Structure no. 134031

Built
1960
65 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
46 ft
3 main spans
Daily traffic
1,350
2024 count
Owner
County
County Highway Agency

About this bridge

Duette Road over Myakka River is a concrete slab carrying Duette Road over Myakka River in Manatee County, Florida. It was built in 1960, so it is 65 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 1,350 vehicles a day, roughly 9% of them trucks, projected to reach 2,343 by 2044. The structure is 46 ft (14 m) long and 27 ft wide. If it were closed, the detour would be 20.5 mi (33 km).

Location

Open in Google Maps
CarriesDuette Road
CrossesMyakka River
Location0.8 MI North of SR-64
RouteCounty Highway 0
CountyManatee County
StateFlorida
Coordinates27.47628, -82.07957
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.4 US tons
Inventory rating25.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length46 ft (14 m)
Longest span15 ft (4.6 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,350 (2024)
Projected traffic2,343 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed20.5 mi (33 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 Duette Road over Myakka River built?

It was built in 1960, making it 65 years old in 2025.

What condition is Duette Road over 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 February 2024.

How much traffic does Duette Road over Myakka River carry?

About 1,350 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Duette Road over Myakka River?

The structure is 46 ft (14 m) long with a longest span of 15 ft (4.6 m) and a deck 27 ft wide.

Who owns Duette Road over Myakka River?

It is owned by the County Highway Agency.