US Bridges

CR-780 Myakka RD over Myakka River

Good

Sarasota County, Florida · 2.9 MI S of Fruitville RD · Structure no. 174136

Built
2017
8 years old
Condition
Good
inspected October 2023
Type
Slab
Prestressed Concrete
Length
329 ft
13 main spans
Daily traffic
5,200
2023 count
Owner
County
County Highway Agency

About this bridge

CR-780 Myakka RD over Myakka River is a prestressed concrete slab carrying CR-780 Myakka RD over Myakka River in Sarasota County, Florida. It was built in 2017, so it is 8 years old, younger 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 5,200 vehicles a day, roughly 13% of them trucks, projected to reach 9,022 by 2042. The structure is 329 ft (100.4 m) long and 49 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCR-780 Myakka RD
CrossesMyakka River
Location2.9 MI S of Fruitville RD
RouteCounty Highway 780
CountySarasota County
StateFlorida
Coordinates27.30139, -82.25389
Functional classRural Minor Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating86.8 US tons
Inventory rating68.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans13
Design loadHL 93
Structure length329 ft (100.4 m)
Longest span25 ft (7.7 m)
Deck width49 ft (15 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,200 (2023)
Projected traffic9,022 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 CR-780 Myakka RD over Myakka River built?

It was built in 2017, making it 8 years old in 2025.

What condition is CR-780 Myakka RD over Myakka River 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 October 2023.

How much traffic does CR-780 Myakka RD over Myakka River carry?

About 5,200 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is CR-780 Myakka RD over Myakka River?

The structure is 329 ft (100.4 m) long with a longest span of 25 ft (7.7 m) and a deck 49 ft wide.

Who owns CR-780 Myakka RD over Myakka River?

It is owned by the County Highway Agency.