US Bridges

Wynn RD over Bardstown Bayou

Fair

Caddo Parish, Louisiana · 2.0 MI East of US 71 · Structure no. 040933003935171

Built
1989
36 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
59 ft
3 main spans
Daily traffic
59
2019 count
Owner
County
County Highway Agency

About this bridge

Wynn RD over Bardstown Bayou is a concrete slab carrying Wynn RD over Bardstown Bayou in Caddo Parish, Louisiana. It was built in 1989, so it is 36 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 59 vehicles a day, projected to reach 64 by 2039. The structure is 59 ft (18 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWynn RD
CrossesBardstown Bayou
Location2.0 MI East of US 71
RouteCounty Highway 0
Coordinates33.00531, -93.8608
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
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 alignment8: Equal to present desirable criteria
Operating rating29.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length59 ft (18 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59 (2019)
Projected traffic64 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Wynn RD over Bardstown Bayou built?

It was built in 1989, making it 36 years old in 2025.

What condition is Wynn RD over Bardstown 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 March 2023.

How much traffic does Wynn RD over Bardstown Bayou carry?

About 59 vehicles per day (2019 count).

How long is Wynn RD over Bardstown Bayou?

The structure is 59 ft (18 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns Wynn RD over Bardstown Bayou?

It is owned by the County Highway Agency.