US Bridges

CR-68 over Mikes Slough

Good

Okeechobee County, Florida · 1.5 MI E of US-441 · Structure no. 910074

Built
1947
78 years old, rebuilt 1978
Condition
Good
inspected February 2025
Type
Slab
Concrete
Length
31 ft
2 main spans
Daily traffic
2,000
2025 count
Owner
County
County Highway Agency

About this bridge

CR-68 over Mikes Slough is a concrete slab carrying CR-68 over Mikes Slough in Okeechobee County, Florida. It was built in 1947 and reconstructed in 1978, so it is 78 years old, older 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 2,000 vehicles a day, roughly 11% of them trucks, projected to reach 3,470 by 2045. The structure is 31 ft (9.3 m) long and 43 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesCR-68
CrossesMikes Slough
Location1.5 MI E of US-441
RouteCounty Highway 68
StateFlorida
Coordinates27.44954, -80.78629
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating31 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length31 ft (9.3 m)
Longest span15 ft (4.6 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2025)
Projected traffic3,470 by 2045
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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-68 over Mikes Slough built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1978.

What condition is CR-68 over Mikes Slough 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 February 2025.

How much traffic does CR-68 over Mikes Slough carry?

About 2,000 vehicles per day (2025 count), of which roughly 11% are trucks.

How long is CR-68 over Mikes Slough?

The structure is 31 ft (9.3 m) long with a longest span of 15 ft (4.6 m) and a deck 43 ft wide.

Who owns CR-68 over Mikes Slough?

It is owned by the County Highway Agency.