US Bridges

SR-60 over Blanket Bay Slough

Fair

Osceola County, Florida · SR-60 over Blanket Slough · Structure no. 920172

Built
1999
26 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete Continuous
Length
122 ft
4 main spans
Daily traffic
9,400
2023 count
Owner
State
State Highway Agency

About this bridge

SR-60 over Blanket Bay Slough is a concrete continuous slab carrying SR-60 over Blanket Bay Slough in Osceola County, Florida. It was built in 1999, so it is 26 years old, younger 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 9,400 vehicles a day, roughly 33% of them trucks, projected to reach 16,309 by 2042. The structure is 122 ft (37.2 m) long and 46 ft wide. If it were closed, the detour would be 55.9 mi (90 km).

Location

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CarriesSR-60
CrossesBlanket Bay Slough
LocationSR-60 over Blanket Slough
RouteState Highway 60
CountyOsceola County
StateFlorida
Coordinates27.77542, -81.12034
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum 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 alignment8: Equal to present desirable criteria
Operating rating92.8 US tons
Inventory rating55.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length122 ft (37.2 m)
Longest span31 ft (9.3 m)
Deck width46 ft (14.1 m)
Roadway width42 ft (12.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,400 (2023)
Projected traffic16,309 by 2042
Trucks33%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed55.9 mi (90 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR-60 over Blanket Bay Slough built?

It was built in 1999, making it 26 years old in 2025.

What condition is SR-60 over Blanket Bay 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 October 2023.

How much traffic does SR-60 over Blanket Bay Slough carry?

About 9,400 vehicles per day (2023 count), of which roughly 33% are trucks.

How long is SR-60 over Blanket Bay Slough?

The structure is 122 ft (37.2 m) long with a longest span of 31 ft (9.3 m) and a deck 46 ft wide.

Who owns SR-60 over Blanket Bay Slough?

It is owned by the State Highway Agency.