US Bridges

SR-51 over Britt Creek

Poor

Lafayette County, Florida · 1.4 Mi. N. of Dixie Co. · Structure no. 330014

Built
1940
85 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
120 ft
6 main spans
Daily traffic
600
2023 count
Owner
State
State Highway Agency

About this bridge

SR-51 over Britt Creek is a steel continuous stringer/multi-beam or girder carrying SR-51 over Britt Creek in Lafayette County, Florida. It was built in 1940, so it is 85 years old, older than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 600 vehicles a day, roughly 10% of them trucks, projected to reach 1,041 by 2045. The structure is 120 ft (36.6 m) long and 27 ft wide. If it were closed, the detour would be 32.9 mi (53 km).

CarriesSR-51
CrossesBritt Creek
Location1.4 Mi. N. of Dixie Co.
RouteState Highway 51
StateFlorida
Coordinates29.84417, -83.31139
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be 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 rating60.7 US tons
Inventory rating36.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length120 ft (36.6 m)
Longest span24 ft (7.3 m)
Deck width27 ft (8.1 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2023)
Projected traffic1,041 by 2045
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed32.9 mi (53 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 Britt Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is SR-51 over Britt Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does SR-51 over Britt Creek carry?

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

How long is SR-51 over Britt Creek?

The structure is 120 ft (36.6 m) long with a longest span of 24 ft (7.3 m) and a deck 27 ft wide.

Who owns SR-51 over Britt Creek?

It is owned by the State Highway Agency.