US Bridges

LA0383 over Drain

Fair

Calcasieu Parish, Louisiana · 0.8 MI N of US 90 · Structure no. 071001970200781

Built
1985
40 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
57 ft
3 main spans
Daily traffic
677
2021 count
Owner
State
State Highway Agency

About this bridge

LA0383 over Drain is a concrete slab carrying LA0383 over Drain in Calcasieu Parish, Louisiana. It was built in 1985, so it is 40 years old, younger 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 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 677 vehicles a day, roughly 17% of them trucks, projected to reach 744 by 2041. The structure is 57 ft (17.4 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesLA0383
CrossesDrain
Location0.8 MI N of US 90
RouteState Highway 383
CountyCalcasieu Parish
StateLouisiana
Coordinates30.24258, -93.01371
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic677 (2021)
Projected traffic744 by 2041
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 LA0383 over Drain built?

It was built in 1985, making it 40 years old in 2025.

What condition is LA0383 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 August 2024.

How much traffic does LA0383 over Drain carry?

About 677 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is LA0383 over Drain?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 35 ft wide.

Who owns LA0383 over Drain?

It is owned by the State Highway Agency.