US Bridges

US0084 over Bayou

Fair

De Soto Parish, Louisiana · 3.1 MI East of LA 763 · Structure no. 041600000017090

Built
1951
74 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
35 ft
4 main spans
Daily traffic
4,626
2021 count
Owner
State
State Highway Agency

About this bridge

US0084 over Bayou is a concrete culvert carrying US0084 over Bayou in De Soto Parish, Louisiana. It was built in 1951, so it is 74 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 4,626 vehicles a day, roughly 18% of them trucks, projected to reach 5,088 by 2041. The structure is 35 ft (10.7 m) long and 38 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesUS0084
CrossesBayou
Location3.1 MI East of LA 763
RouteU.S. Route 84
Coordinates31.97508, -93.8449
Functional classRural Principal Arterial - Other

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span8 ft (2.4 m)
Deck width38 ft (11.6 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,626 (2021)
Projected traffic5,088 by 2041
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

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 US0084 over Bayou built?

It was built in 1951, making it 74 years old in 2025.

What condition is US0084 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 May 2024.

How much traffic does US0084 over Bayou carry?

About 4,626 vehicles per day (2021 count), of which roughly 18% are trucks.

How long is US0084 over Bayou?

The structure is 35 ft (10.7 m) long with a longest span of 8 ft (2.4 m) and a deck 38 ft wide.

Who owns US0084 over Bayou?

It is owned by the State Highway Agency.