US Bridges

Chatsworth RD over Yokely Bayou

FairPosted for load

St. Mary Parish, Louisiana · 0.3 MI S of LA 3211 · Structure no. 035129479913151

Built
1967
58 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
95 ft
5 main spans
Daily traffic
1,770
2022 count
Owner
County
County Highway Agency

About this bridge

Chatsworth RD over Yokely Bayou is a concrete slab carrying Chatsworth RD over Yokely Bayou in St. Mary Parish, Louisiana. It was built in 1967, so it is 58 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 1,770 vehicles a day, projected to reach 1,947 by 2042. The structure is 95 ft (29 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesChatsworth RD
CrossesYokely Bayou
Location0.3 MI S of LA 3211
RouteCounty Highway 0
CountySt. Mary Parish
StateLouisiana
Coordinates29.79768, -91.52391
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be 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 rating23.9 US tons
Inventory rating18.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length95 ft (29 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,770 (2022)
Projected traffic1,947 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Chatsworth RD over Yokely Bayou built?

It was built in 1967, making it 58 years old in 2025.

What condition is Chatsworth RD over Yokely 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 April 2023.

How much traffic does Chatsworth RD over Yokely Bayou carry?

About 1,770 vehicles per day (2022 count).

How long is Chatsworth RD over Yokely Bayou?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns Chatsworth RD over Yokely Bayou?

It is owned by the County Highway Agency.