US Bridges

Lost Creek-Bridge over Lost Creek

FairPosted for load

Wakulla County, Florida · National Forest · Structure no. 080506000003135

Built
1960
65 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
240 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Lost Creek-Bridge over Lost Creek is a concrete slab carrying Lost Creek-Bridge over Lost Creek in Wakulla County, Florida. It was built in 1960, so it is 65 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 75 by 2045. The structure is 240 ft (73.2 m) long and 22 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesLost Creek-Bridge
CrossesLost Creek
LocationNational Forest
RouteFederal Lands Road 309.5
StateFlorida
Coordinates30.30125, -84.50478
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.8 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+11 approach)
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span20 ft (6.1 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lost Creek-Bridge over Lost Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Lost Creek-Bridge over Lost 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 January 2024.

How much traffic does Lost Creek-Bridge over Lost Creek carry?

About 50 vehicles per day (latest count).

How long is Lost Creek-Bridge over Lost Creek?

The structure is 240 ft (73.2 m) long with a longest span of 20 ft (6.1 m) and a deck 22 ft wide.

Who owns Lost Creek-Bridge over Lost Creek?

It is owned by the U.S. Forest Service.