US Bridges

SR-24 over Back Bayou Creek

Fair

Levy County, Florida · In Cedar Key · Structure no. 340001

Built
1967
58 years old, rebuilt 2000
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
2,500
2022 count
Owner
State
State Highway Agency

About this bridge

SR-24 over Back Bayou Creek is a prestressed concrete stringer/multi-beam or girder carrying SR-24 over Back Bayou Creek in Levy County, Florida. It was built in 1967 and reconstructed in 2000, 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 5 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 41 ft (12.5 m) long and 39 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesSR-24
CrossesBack Bayou Creek
LocationIn Cedar Key
RouteState Highway 24
CountyLevy County
StateFlorida
Coordinates29.13931, -83.03512
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.7 US tons
Inventory rating29.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length41 ft (12.5 m)
Longest span40 ft (12.2 m)
Deck width39 ft (11.9 m)
Roadway width28 ft (8.4 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 Back Bayou Creek built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2000.

What condition is SR-24 over Back Bayou Creek 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 SR-24 over Back Bayou Creek carry?

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

How long is SR-24 over Back Bayou Creek?

The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.2 m) and a deck 39 ft wide.

Who owns SR-24 over Back Bayou Creek?

It is owned by the State Highway Agency.