US Bridges

LA0392 over Bayou Toro

Fair

Vernon Parish, Louisiana · 2.8 MI West of LA 111 · Structure no. 085801330200001

Built
1965
60 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
360 ft
6 main spans
Daily traffic
688
2021 count
Owner
State
State Highway Agency

About this bridge

LA0392 over Bayou Toro is a prestressed concrete stringer/multi-beam or girder carrying LA0392 over Bayou Toro in Vernon Parish, Louisiana. It was built in 1965, so it is 60 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 688 vehicles a day, roughly 14% of them trucks, projected to reach 756 by 2041. The structure is 360 ft (109.7 m) long and 33 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesLA0392
CrossesBayou Toro
Location2.8 MI West of LA 111
RouteState Highway 392
CountyVernon Parish
StateLouisiana
Coordinates31.20402, -93.54504
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.1 US tons
Inventory rating31.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length360 ft (109.7 m)
Longest span60 ft (18.3 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic688 (2021)
Projected traffic756 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 LA0392 over Bayou Toro built?

It was built in 1965, making it 60 years old in 2025.

What condition is LA0392 over Bayou Toro 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 June 2023.

How much traffic does LA0392 over Bayou Toro carry?

About 688 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0392 over Bayou Toro?

The structure is 360 ft (109.7 m) long with a longest span of 60 ft (18.3 m) and a deck 33 ft wide.

Who owns LA0392 over Bayou Toro?

It is owned by the State Highway Agency.