US Bridges

Long Avenue over Patton Bayou

Fair

Gulf County, Florida · 0.14 MI South of 16th ST · Structure no. 510032

Built
1955
70 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
1,600
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Long Avenue over Patton Bayou is a concrete culvert carrying Long Avenue over Patton Bayou in Gulf County, Florida. It was built in 1955, so it is 70 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 1,600 vehicles a day, roughly 12% of them trucks, projected to reach 1,760 by 2043. The structure is 21 ft (6.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLong Avenue
CrossesPatton Bayou
Location0.14 MI South of 16th ST
RouteCity Street 387
CountyGulf County
StateFlorida
Coordinates29.79962, -85.29574
Functional classUrban 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 above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length21 ft (6.5 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 traffic1,600 (2023)
Projected traffic1,760 by 2043
Trucks12%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Long Avenue over Patton Bayou built?

It was built in 1955, making it 70 years old in 2025.

What condition is Long Avenue over Patton Bayou 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 Long Avenue over Patton Bayou carry?

About 1,600 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Long Avenue over Patton Bayou?

The structure is 21 ft (6.5 m) long with a longest span of 11 ft (3.3 m).

Who owns Long Avenue over Patton Bayou?

It is owned by the City or Municipal Highway Agency.