US Bridges

CR 387 over Unnamed Branch

Fair

Gulf County, Florida · 6.5 Miles East of SR 71 · Structure no. 510008

Built
1961
64 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
800
2023 count
Owner
County
County Highway Agency

About this bridge

CR 387 over Unnamed Branch is a concrete culvert carrying CR 387 over Unnamed Branch 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 6 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 800 vehicles a day, roughly 12% of them trucks, projected to reach 880 by 2043. The structure is 31 ft (9.5 m) long. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesCR 387
CrossesUnnamed Branch
Location6.5 Miles East of SR 71
RouteCounty Highway 387
CountyGulf County
StateFlorida
Coordinates29.9035, -85.09776
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating70 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length31 ft (9.5 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2023)
Projected traffic880 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 387 over Unnamed Branch built?

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

What condition is CR 387 over Unnamed Branch 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 December 2024.

How much traffic does CR 387 over Unnamed Branch carry?

About 800 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is CR 387 over Unnamed Branch?

The structure is 31 ft (9.5 m) long with a longest span of 11 ft (3.3 m).

Who owns CR 387 over Unnamed Branch?

It is owned by the County Highway Agency.