US Bridges

LA0099 over Drain

Fair

Jefferson Davis Parish, Louisiana · 2.1 Mi. N. of I - 10 · Structure no. 072701980303081

Built
1931
94 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
27 ft
4 main spans
Daily traffic
1,391
2024 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 1931, so it is 94 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 1,391 vehicles a day, roughly 17% of them trucks, projected to reach 1,530 by 2044. The structure is 27 ft (8.2 m) long and 43 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesLA0099
CrossesDrain
Location2.1 Mi. N. of I - 10
RouteState Highway 99
Coordinates30.27612, -92.82322
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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 15
Structure length27 ft (8.2 m)
Longest span6 ft (1.8 m)
Deck width43 ft (13.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,391 (2024)
Projected traffic1,530 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 1931, making it 94 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 1,391 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is LA0099 over Drain?

The structure is 27 ft (8.2 m) long with a longest span of 6 ft (1.8 m) and a deck 43 ft wide.

Who owns LA0099 over Drain?

It is owned by the State Highway Agency.