US Bridges

SR-51 over Kettle Branch

Fair

Lafayette County, Florida · 2 Mi. N. of Dixie Co. · Structure no. 330015

Built
1945
80 years old, rebuilt 2002
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
600
2023 count
Owner
State
State Highway Agency

About this bridge

SR-51 over Kettle Branch is a concrete culvert carrying SR-51 over Kettle Branch in Lafayette County, Florida. It was built in 1945 and reconstructed in 2002, so it is 80 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 600 vehicles a day, roughly 10% of them trucks, projected to reach 1,041 by 2042. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 28 mi (45 km).

Location

Open in Google Maps
CarriesSR-51
CrossesKettle Branch
Location2 Mi. N. of Dixie Co.
RouteState Highway 51
CountyLafayette County
StateFlorida
Coordinates29.85123, -83.31008
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.8 US tons
Inventory rating35.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length31 ft (9.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2023)
Projected traffic1,041 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR-51 over Kettle Branch built?

It was built in 1945, making it 80 years old in 2025. It was reconstructed in 2002.

What condition is SR-51 over Kettle Branch 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 2024.

How much traffic does SR-51 over Kettle Branch carry?

About 600 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SR-51 over Kettle Branch?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m).

Who owns SR-51 over Kettle Branch?

It is owned by the State Highway Agency.