US Bridges

SR-24 over Number Three Channel

Fair

Levy County, Florida · In Cedar Key · Structure no. 340003

Built
1967
58 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
320 ft
8 main spans
Daily traffic
2,500
2022 count
Owner
State
State Highway Agency

About this bridge

SR-24 over Number Three Channel is a prestressed concrete stringer/multi-beam or girder carrying SR-24 over Number Three Channel in Levy County, Florida. It was built in 1967, so it is 58 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 2,500 vehicles a day, roughly 10% of them trucks, projected to reach 4,338 by 2044. The structure is 320 ft (97.5 m) long and 38 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesSR-24
CrossesNumber Three Channel
LocationIn Cedar Key
RouteState Highway 24
CountyLevy County
StateFlorida
Coordinates29.15041, -83.03134
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.2 US tons
Inventory rating24.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length320 ft (97.5 m)
Longest span40 ft (12.2 m)
Deck width38 ft (11.6 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2022)
Projected traffic4,338 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

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-24 over Number Three Channel built?

It was built in 1967, making it 58 years old in 2025.

What condition is SR-24 over Number Three Channel 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 2023.

How much traffic does SR-24 over Number Three Channel carry?

About 2,500 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is SR-24 over Number Three Channel?

The structure is 320 ft (97.5 m) long with a longest span of 40 ft (12.2 m) and a deck 38 ft wide.

Who owns SR-24 over Number Three Channel?

It is owned by the State Highway Agency.