US Bridges

Antioch RD over Clay Cut Bayou

Good

East Baton Rouge Parish, Louisiana · 3.1 MI NE JCT I-10 LA 42 · Structure no. 611730232910041

Built
2003
22 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete
Length
124 ft
5 main spans
Daily traffic
5,730
2019 count
Owner
County
County Highway Agency

About this bridge

Antioch RD over Clay Cut Bayou is a concrete slab carrying Antioch RD over Clay Cut Bayou in East Baton Rouge Parish, Louisiana. It was built in 2003, so it is 22 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,730 vehicles a day, projected to reach 6,303 by 2039. The structure is 124 ft (37.8 m) long and 42 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesAntioch RD
CrossesClay Cut Bayou
Location3.1 MI NE JCT I-10 LA 42
RouteCounty Highway 0
Coordinates30.38683, -91.00741
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length124 ft (37.8 m)
Longest span25 ft (7.6 m)
Deck width42 ft (12.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,730 (2019)
Projected traffic6,303 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Antioch RD over Clay Cut Bayou built?

It was built in 2003, making it 22 years old in 2025.

What condition is Antioch RD over Clay Cut Bayou in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does Antioch RD over Clay Cut Bayou carry?

About 5,730 vehicles per day (2019 count).

How long is Antioch RD over Clay Cut Bayou?

The structure is 124 ft (37.8 m) long with a longest span of 25 ft (7.6 m) and a deck 42 ft wide.

Who owns Antioch RD over Clay Cut Bayou?

It is owned by the County Highway Agency.