US Bridges

CR 386 over Panther Swamp

FairPosted for load

Gulf County, Florida · 1.1 Miles North US98/SR30 · Structure no. 510024

Built
1948
77 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
60 ft
4 main spans
Daily traffic
1,800
2023 count
Owner
County
County Highway Agency

About this bridge

CR 386 over Panther Swamp is a concrete slab carrying CR 386 over Panther Swamp in Gulf County, Florida. It was built in 1948, 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 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 1,800 vehicles a day, roughly 9% of them trucks, projected to reach 1,980 by 2043. The structure is 60 ft (18.3 m) long and 29 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesCR 386
CrossesPanther Swamp
Location1.1 Miles North US98/SR30
RouteCounty Highway 386
CountyGulf County
StateFlorida
Coordinates29.9419, -85.38871
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32 US tons
Inventory rating19 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length60 ft (18.3 m)
Longest span15 ft (4.6 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2023)
Projected traffic1,980 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 CR 386 over Panther Swamp built?

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

What condition is CR 386 over Panther Swamp 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 April 2024.

How much traffic does CR 386 over Panther Swamp carry?

About 1,800 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is CR 386 over Panther Swamp?

The structure is 60 ft (18.3 m) long with a longest span of 15 ft (4.6 m) and a deck 29 ft wide.

Who owns CR 386 over Panther Swamp?

It is owned by the County Highway Agency.