US Bridges

Antioch Oxford RD over Chatman Bayou

Good

De Soto Parish, Louisiana · 3.7 Mi. S of LA 175 · Structure no. 041631570933801

Built
2003
22 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
75
2021 count
Owner
County
County Highway Agency

About this bridge

Antioch Oxford RD over Chatman Bayou is a concrete slab carrying Antioch Oxford RD over Chatman Bayou in De Soto 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 75 vehicles a day, projected to reach 82 by 2041. The structure is 80 ft (24.4 m) long and 27 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesAntioch Oxford RD
CrossesChatman Bayou
Location3.7 Mi. S of LA 175
RouteCounty Highway 0
Coordinates31.9498, -93.63344
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating57.1 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2021)
Projected traffic82 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 Oxford RD over Chatman Bayou built?

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

What condition is Antioch Oxford RD over Chatman 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 October 2024.

How much traffic does Antioch Oxford RD over Chatman Bayou carry?

About 75 vehicles per day (2021 count).

How long is Antioch Oxford RD over Chatman Bayou?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Antioch Oxford RD over Chatman Bayou?

It is owned by the County Highway Agency.