US Bridges

SR12 over Winkley Creek

Good

Gadsden County, Florida · 3.1MI. East of US90 · Structure no. 500065

Built
1948
77 years old, rebuilt 1978
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
4,200
2022 count
Owner
State
State Highway Agency

About this bridge

SR12 over Winkley Creek is a concrete culvert carrying SR12 over Winkley Creek in Gadsden County, Florida. It was built in 1948 and reconstructed in 1978, so it is 77 years old, older than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,200 vehicles a day, roughly 9% of them trucks, projected to reach 7,287 by 2044. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 21.1 mi (34 km).

CarriesSR12
CrossesWinkley Creek
Location3.1MI. East of US90
RouteState Highway 12
StateFlorida
Coordinates30.59467, -84.53069
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating41 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.3 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 traffic4,200 (2022)
Projected traffic7,287 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 SR12 over Winkley Creek built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1978.

What condition is SR12 over Winkley Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does SR12 over Winkley Creek carry?

About 4,200 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is SR12 over Winkley Creek?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns SR12 over Winkley Creek?

It is owned by the State Highway Agency.