US Bridges

CR-780 Clay Gully over Clay Gully

Fair

Manatee County, Florida · 0.4 MI East of Myakka RD · Structure no. 134060

Built
1960
65 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
75 ft
5 main spans
Daily traffic
400
2024 count
Owner
County
County Highway Agency

About this bridge

CR-780 Clay Gully over Clay Gully is a concrete slab carrying CR-780 Clay Gully over Clay Gully 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 400 vehicles a day, roughly 5% of them trucks, projected to reach 696 by 2044. The structure is 75 ft (22.9 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCR-780 Clay Gully
CrossesClay Gully
Location0.4 MI East of Myakka RD
RouteCounty Highway 780
CountyManatee County
StateFlorida
Coordinates27.29039, -82.24562
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.6 US tons
Inventory rating21.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length75 ft (22.9 m)
Longest span15 ft (4.6 m)
Deck width31 ft (9.4 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2024)
Projected traffic696 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Clay Gully over Clay Gully built?

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

What condition is CR-780 Clay Gully over Clay Gully 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 CR-780 Clay Gully over Clay Gully carry?

About 400 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is CR-780 Clay Gully over Clay Gully?

The structure is 75 ft (22.9 m) long with a longest span of 15 ft (4.6 m) and a deck 31 ft wide.

Who owns CR-780 Clay Gully over Clay Gully?

It is owned by the County Highway Agency.