US Bridges

CR-764 over Myrtle Slough

Fair

Charlotte County, Florida · 1.1MI E of US-17 · Structure no. 010007

Built
1961
64 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
150 ft
5 main spans
Daily traffic
2,071
2023 count
Owner
County
County Highway Agency

About this bridge

CR-764 over Myrtle Slough is a concrete slab carrying CR-764 over Myrtle Slough in Charlotte County, Florida. It was built in 1961, so it is 64 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 2,071 vehicles a day, roughly 5% of them trucks, projected to reach 3,593 by 2042. The structure is 150 ft (45.7 m) long and 26 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesCR-764
CrossesMyrtle Slough
Location1.1MI E of US-17
RouteCounty Highway 764
CountyCharlotte County
StateFlorida
Coordinates26.97624, -81.94586
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating25.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length150 ft (45.7 m)
Longest span30 ft (9.1 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,071 (2023)
Projected traffic3,593 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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-764 over Myrtle Slough built?

It was built in 1961, making it 64 years old in 2025.

What condition is CR-764 over Myrtle Slough 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 May 2023.

How much traffic does CR-764 over Myrtle Slough carry?

About 2,071 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is CR-764 over Myrtle Slough?

The structure is 150 ft (45.7 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns CR-764 over Myrtle Slough?

It is owned by the County Highway Agency.