US Bridges

US27 SR20 over Burnt Mill Creek

Fair

Jefferson County, Florida · 0.7 Mile E of Countyline · Structure no. 540028

Built
1964
61 years old, rebuilt 1992
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
369 ft
16 main spans
Daily traffic
2,700
2022 count
Owner
State
State Highway Agency

About this bridge

US27 SR20 over Burnt Mill Creek is a concrete slab carrying US27 SR20 over Burnt Mill Creek in Jefferson County, Florida. It was built in 1964 and reconstructed in 1992, so it is 61 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 2,700 vehicles a day, roughly 16% of them trucks, projected to reach 4,684 by 2044. The structure is 369 ft (112.5 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS27 SR20
CrossesBurnt Mill Creek
Location0.7 Mile E of Countyline
RouteU.S. Route 27
StateFlorida
Coordinates30.40816, -84.06472
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.1 US tons
Inventory rating63.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans16
Design loadHS 20
Structure length369 ft (112.5 m)
Longest span23 ft (7 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2022)
Projected traffic4,684 by 2044
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 US27 SR20 over Burnt Mill Creek built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1992.

What condition is US27 SR20 over Burnt Mill 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 June 2024.

How much traffic does US27 SR20 over Burnt Mill Creek carry?

About 2,700 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is US27 SR20 over Burnt Mill Creek?

The structure is 369 ft (112.5 m) long with a longest span of 23 ft (7 m) and a deck 43 ft wide.

Who owns US27 SR20 over Burnt Mill Creek?

It is owned by the State Highway Agency.