US Bridges

LA0043 over Drain

Fair

Livingston Parish, Louisiana · 0.6 M S of LA 1064 · Structure no. 623202600701981

Built
1980
45 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
39 ft
2 main spans
Daily traffic
5,232
2021 count
Owner
State
State Highway Agency

About this bridge

LA0043 over Drain is a concrete slab carrying LA0043 over Drain in Livingston Parish, Louisiana. It was built in 1980, so it is 45 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 5,232 vehicles a day, roughly 9% of them trucks, projected to reach 5,755 by 2041. The structure is 39 ft (11.9 m) long and 35 ft wide.

CarriesLA0043
CrossesDrain
Location0.6 M S of LA 1064
RouteState Highway 43
Coordinates30.53252, -90.5842
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length39 ft (11.9 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 traffic5,232 (2021)
Projected traffic5,755 by 2041
Trucks9%
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 LA0043 over Drain built?

It was built in 1980, making it 45 years old in 2025.

What condition is LA0043 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 February 2024.

How much traffic does LA0043 over Drain carry?

About 5,232 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is LA0043 over Drain?

The structure is 39 ft (11.9 m) long with a longest span of 19 ft (5.8 m) and a deck 35 ft wide.

Who owns LA0043 over Drain?

It is owned by the State Highway Agency.