US Bridges

LA0599 over Bayou Galion

Fair

Morehouse Parish, Louisiana · 5.4 MI South of LA 1.40 · Structure no. 053403283005401

Built
1978
47 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
58 ft
3 main spans
Daily traffic
268
2021 count
Owner
State
State Highway Agency

About this bridge

LA0599 over Bayou Galion is a concrete slab carrying LA0599 over Bayou Galion in Morehouse Parish, Louisiana. It was built in 1978, so it is 47 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 268 vehicles a day, roughly 15% of them trucks, projected to reach 294 by 2041. The structure is 58 ft (17.7 m) long and 36 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesLA0599
CrossesBayou Galion
Location5.4 MI South of LA 1.40
RouteState Highway 599
CountyMorehouse Parish
StateLouisiana
Coordinates32.84991, -91.7273
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 rating72 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span19 ft (5.8 m)
Deck width36 ft (10.9 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic268 (2021)
Projected traffic294 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 LA0599 over Bayou Galion built?

It was built in 1978, making it 47 years old in 2025.

What condition is LA0599 over Bayou Galion 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 LA0599 over Bayou Galion carry?

About 268 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA0599 over Bayou Galion?

The structure is 58 ft (17.7 m) long with a longest span of 19 ft (5.8 m) and a deck 36 ft wide.

Who owns LA0599 over Bayou Galion?

It is owned by the State Highway Agency.