US Bridges

LA0099 over Drain

Fair

Jefferson Davis Parish, Louisiana · 5.1 Mi. N. of I - 10 · Structure no. 072701980306111

Built
1931
94 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
43 ft
5 main spans
Daily traffic
1,001
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 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 1,001 vehicles a day, roughly 17% of them trucks, projected to reach 1,101 by 2044. The structure is 43 ft (13.1 m) long and 35 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesLA0099
CrossesDrain
Location5.1 Mi. N. of I - 10
RouteState Highway 99
Coordinates30.31807, -92.82594
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.
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 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 rating30 US tons
Inventory rating23.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadH 15
Structure length43 ft (13.1 m)
Longest span8 ft (2.4 m)
Deck width35 ft (10.7 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,001 (2024)
Projected traffic1,101 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 1,001 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is LA0099 over Drain?

The structure is 43 ft (13.1 m) long with a longest span of 8 ft (2.4 m) and a deck 35 ft wide.

Who owns LA0099 over Drain?

It is owned by the State Highway Agency.