US Bridges

Mouton Road over Chene Bayou

Good

Jefferson Davis Parish, Louisiana · 0.3 MI E of LA 382 · Structure no. 072700000072702

Built
2020
5 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
5 main spans
Daily traffic
70
2019 count
Owner
County
County Highway Agency

About this bridge

Mouton Road over Chene Bayou is a prestressed concrete stringer/multi-beam or girder carrying Mouton Road over Chene Bayou in Jefferson Davis Parish, Louisiana. It was built in 2020, so it is 5 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 70 vehicles a day, projected to reach 77 by 2039. The structure is 200 ft (61 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesMouton Road
CrossesChene Bayou
Location0.3 MI E of LA 382
RouteCounty Highway 0
CountyJefferson Davis Parish
StateLouisiana
Coordinates30.15677, -92.76904
Functional classRural Local

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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating46.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadGreater than HL 93
Structure length200 ft (61 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2019)
Projected traffic77 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 Mouton Road over Chene Bayou built?

It was built in 2020, making it 5 years old in 2025.

What condition is Mouton Road over Chene 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 2024.

How much traffic does Mouton Road over Chene Bayou carry?

About 70 vehicles per day (2019 count).

How long is Mouton Road over Chene Bayou?

The structure is 200 ft (61 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns Mouton Road over Chene Bayou?

It is owned by the County Highway Agency.