US Bridges

LA0027 over Drain

Fair

Calcasieu Parish, Louisiana · 0.5 MI N of LA 108 · Structure no. 071000310501511

Built
1936
89 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
34 ft
6 main spans
Daily traffic
10,589
2023 count
Owner
State
State Highway Agency

About this bridge

LA0027 over Drain is a concrete culvert carrying LA0027 over Drain in Calcasieu Parish, Louisiana. It was built in 1936, so it is 89 years old, older than the Louisiana average of 43 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.

It carries about 10,589 vehicles a day, roughly 10% of them trucks, projected to reach 11,647 by 2043. The structure is 34 ft (10.4 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLA0027
CrossesDrain
Location0.5 MI N of LA 108
RouteState Highway 27
Coordinates30.14746, -93.36759
Functional classUrban Minor Arterial

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.1 US tons
Inventory rating20 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans6
Design loadH 15
Structure length34 ft (10.4 m)
Longest span5 ft (1.5 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,589 (2023)
Projected traffic11,647 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 LA0027 over Drain built?

It was built in 1936, making it 89 years old in 2025.

What condition is LA0027 over Drain 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 July 2024.

How much traffic does LA0027 over Drain carry?

About 10,589 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is LA0027 over Drain?

The structure is 34 ft (10.4 m) long with a longest span of 5 ft (1.5 m) and a deck 37 ft wide.

Who owns LA0027 over Drain?

It is owned by the State Highway Agency.