US Bridges

Corbello RD over Coon Gully

Good

Calcasieu Parish, Louisiana · 0.79 MI N of LA 3059 · Structure no. 071000000070267

Built
2018
7 years old
Condition
Good
inspected December 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
30 ft
1 main span
Daily traffic
464
2022 count
Owner
County
County Highway Agency

About this bridge

Corbello RD over Coon Gully is a aluminum, wrought iron, or cast iron culvert carrying Corbello RD over Coon Gully in Calcasieu Parish, Louisiana. It was built in 2018, so it is 7 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 464 vehicles a day, projected to reach 510 by 2042. The structure is 30 ft (9.1 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCorbello RD
CrossesCoon Gully
Location0.79 MI N of LA 3059
RouteCounty Highway 0
Coordinates30.28762, -93.1024
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100.3 US tons
Inventory rating73.5 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadGreater than HL 93
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width52 ft (15.8 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic464 (2022)
Projected traffic510 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Corbello RD over Coon Gully built?

It was built in 2018, making it 7 years old in 2025.

What condition is Corbello RD over Coon Gully in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does Corbello RD over Coon Gully carry?

About 464 vehicles per day (2022 count).

How long is Corbello RD over Coon Gully?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 52 ft wide.

Who owns Corbello RD over Coon Gully?

It is owned by the County Highway Agency.