US Bridges

Corbina Road over Drain

Good

Calcasieu Parish, Louisiana · 1.3 MI N LA 14 · Structure no. 071000000071004

Built
2011
14 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
1,510
2020 count
Owner
County
County Highway Agency

About this bridge

Corbina Road over Drain is a concrete culvert carrying Corbina Road over Drain in Calcasieu Parish, Louisiana. It was built in 2011, so it is 14 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 1,510 vehicles a day, projected to reach 1,661 by 2040. The structure is 22 ft (6.7 m) long and 135 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCorbina Road
CrossesDrain
Location1.3 MI N LA 14
RouteCounty Highway 0
Coordinates30.17579, -93.15875
Functional classUrban 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width135 ft (41.1 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,510 (2020)
Projected traffic1,661 by 2040
Trucks—
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

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 Corbina Road over Drain built?

It was built in 2011, making it 14 years old in 2025.

What condition is Corbina Road over Drain 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 July 2024.

How much traffic does Corbina Road over Drain carry?

About 1,510 vehicles per day (2020 count).

How long is Corbina Road over Drain?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m) and a deck 135 ft wide.

Who owns Corbina Road over Drain?

It is owned by the County Highway Agency.