US Bridges

CR387-DOCWHITFIELD over Indian Swamp

FairPosted for load

Gulf County, Florida · 8.1 Miles East of SR 71 · Structure no. 510010

Built
1961
64 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
121 ft
6 main spans
Daily traffic
750
2022 count
Owner
County
County Highway Agency

About this bridge

CR387-DOCWHITFIELD over Indian Swamp is a concrete slab carrying CR387-DOCWHITFIELD over Indian Swamp in Gulf County, Florida. It was built in 1961, so it is 64 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 750 vehicles a day, projected to reach 825 by 2042. The structure is 121 ft (37 m) long and 26 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesCR387-DOCWHITFIELD
CrossesIndian Swamp
Location8.1 Miles East of SR 71
RouteCounty Highway 387
CountyGulf County
StateFlorida
Coordinates29.89868, -85.07336
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length121 ft (37 m)
Longest span21 ft (6.3 m)
Deck width26 ft (7.8 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2022)
Projected traffic825 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$360,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR387-DOCWHITFIELD over Indian Swamp built?

It was built in 1961, making it 64 years old in 2025.

What condition is CR387-DOCWHITFIELD over Indian 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 March 2024.

How much traffic does CR387-DOCWHITFIELD over Indian Swamp carry?

About 750 vehicles per day (2022 count).

How long is CR387-DOCWHITFIELD over Indian Swamp?

The structure is 121 ft (37 m) long with a longest span of 21 ft (6.3 m) and a deck 26 ft wide.

Who owns CR387-DOCWHITFIELD over Indian Swamp?

It is owned by the County Highway Agency.