US Bridges

Corbin Gainey Road over Cosson Mill Creek

Fair

Walton County, Florida · 2.9 MI South of CR 280 · Structure no. 604167

Built
2001
24 years old
Condition
Fair
inspected August 2024
Type
Slab
Prestressed Concrete
Length
80 ft
2 main spans
Daily traffic
101
2024 count
Owner
County
County Highway Agency

About this bridge

Corbin Gainey Road over Cosson Mill Creek is a prestressed concrete slab carrying Corbin Gainey Road over Cosson Mill Creek in Walton County, Florida. It was built in 2001, so it is 24 years old, younger 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 101 vehicles a day, roughly 5% of them trucks, projected to reach 175 by 2046. The structure is 80 ft (24.4 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCorbin Gainey Road
CrossesCosson Mill Creek
Location2.9 MI South of CR 280
RouteCounty Highway 0
StateFlorida
Coordinates30.68804, -86.18767
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating52 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span40 ft (12.2 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic101 (2024)
Projected traffic175 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Corbin Gainey Road over Cosson Mill Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is Corbin Gainey Road over Cosson 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 August 2024.

How much traffic does Corbin Gainey Road over Cosson Mill Creek carry?

About 101 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Corbin Gainey Road over Cosson Mill Creek?

The structure is 80 ft (24.4 m) long with a longest span of 40 ft (12.2 m) and a deck 27 ft wide.

Who owns Corbin Gainey Road over Cosson Mill Creek?

It is owned by the County Highway Agency.