US Bridges

LA0383 over Drain

Fair

Allen Parish, Louisiana · 4.9 MI W of US 165 · Structure no. 070201970405101

Built
1959
66 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
23 ft
4 main spans
Daily traffic
2,193
2021 count
Owner
State
State Highway Agency

About this bridge

LA0383 over Drain is a concrete culvert carrying LA0383 over Drain in Allen Parish, Louisiana. It was built in 1959, so it is 66 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 2,193 vehicles a day, roughly 17% of them trucks, projected to reach 2,412 by 2041. The structure is 23 ft (7 m) long and 96 ft wide.

Location

Open in Google Maps
CarriesLA0383
CrossesDrain
Location4.9 MI W of US 165
RouteState Highway 383
CountyAllen Parish
StateLouisiana
Coordinates30.47624, -92.93277
Functional classRural Minor 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
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 spans4
Design loadH 15
Structure length23 ft (7 m)
Longest span4 ft (1.2 m)
Deck width96 ft (29.3 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,193 (2021)
Projected traffic2,412 by 2041
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 1959, making it 66 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 March 2023.

How much traffic does LA0383 over Drain carry?

About 2,193 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is LA0383 over Drain?

The structure is 23 ft (7 m) long with a longest span of 4 ft (1.2 m) and a deck 96 ft wide.

Who owns LA0383 over Drain?

It is owned by the State Highway Agency.