US Bridges

LA0099 over Drain

Fair

Jefferson Davis Parish, Louisiana · 4.8 M N of LA 1126 · Structure no. 072701980204961

Built
1955
70 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
22 ft
3 main spans
Daily traffic
456
2021 count
Owner
State
State Highway Agency

About this bridge

LA0099 over Drain is a concrete culvert carrying LA0099 over Drain in Jefferson Davis Parish, Louisiana. It was built in 1955, so it is 70 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 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 456 vehicles a day, roughly 17% of them trucks, projected to reach 501 by 2041. The structure is 22 ft (6.7 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLA0099
CrossesDrain
Location4.8 M N of LA 1126
RouteState Highway 99
Coordinates30.16042, -92.81719
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum 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 spans3
Design loadH 15
Structure length22 ft (6.7 m)
Longest span5 ft (1.5 m)
Deck width35 ft (10.7 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic456 (2021)
Projected traffic501 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 LA0099 over Drain built?

It was built in 1955, making it 70 years old in 2025.

What condition is LA0099 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 LA0099 over Drain carry?

About 456 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is LA0099 over Drain?

The structure is 22 ft (6.7 m) long with a longest span of 5 ft (1.5 m) and a deck 35 ft wide.

Who owns LA0099 over Drain?

It is owned by the State Highway Agency.