US Bridges

LA0590 over Bayou

Fair

Morehouse Parish, Louisiana · 0.94 MI E of Elvin Road · Structure no. 053403290200941

Built
1986
39 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
200 ft
10 main spans
Daily traffic
85
2021 count
Owner
State
State Highway Agency

About this bridge

LA0590 over Bayou is a concrete slab carrying LA0590 over Bayou in Morehouse Parish, Louisiana. It was built in 1986, so it is 39 years old, younger 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 85 vehicles a day, roughly 19% of them trucks, projected to reach 93 by 2041. The structure is 200 ft (61 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLA0590
CrossesBayou
Location0.94 MI E of Elvin Road
RouteState Highway 590
CountyMorehouse Parish
StateLouisiana
Coordinates32.98406, -91.809
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length200 ft (61 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic85 (2021)
Projected traffic93 by 2041
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 LA0590 over Bayou built?

It was built in 1986, making it 39 years old in 2025.

What condition is LA0590 over Bayou 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 December 2024.

How much traffic does LA0590 over Bayou carry?

About 85 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is LA0590 over Bayou?

The structure is 200 ft (61 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns LA0590 over Bayou?

It is owned by the State Highway Agency.