US Bridges

Wpa RD over Bayou Wauksha

FairPosted for load

St. Landry Parish, Louisiana · 2.8 MI Sw. of US 71 · Structure no. 034930488920771

Built
1978
47 years old
Condition
Fair
inspected January 2023
Type
Slab
Concrete
Length
133 ft
7 main spans
Daily traffic
750
2020 count
Owner
County
County Highway Agency

About this bridge

Wpa RD over Bayou Wauksha is a concrete slab carrying Wpa RD over Bayou Wauksha in St. Landry 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. Its operating status is: posted for load restriction.

It carries about 750 vehicles a day, projected to reach 825 by 2040. The structure is 133 ft (40.5 m) long and 27 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesWpa RD
CrossesBayou Wauksha
Location2.8 MI Sw. of US 71
RouteCounty Highway 0
CountySt. Landry Parish
StateLouisiana
Coordinates30.81221, -92.12898
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 protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.8 US tons
Inventory rating20.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans7
Design loadHS 20
Structure length133 ft (40.5 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2020)
Projected traffic825 by 2040
Trucks—
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

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 Wpa RD over Bayou Wauksha built?

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

What condition is Wpa RD over Bayou Wauksha 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 January 2023.

How much traffic does Wpa RD over Bayou Wauksha carry?

About 750 vehicles per day (2020 count).

How long is Wpa RD over Bayou Wauksha?

The structure is 133 ft (40.5 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Wpa RD over Bayou Wauksha?

It is owned by the County Highway Agency.