Power Plant RD over Mundy Bayou

Fair

De Soto Parish, Louisiana · 0.2 MI E of LA 3248 · Structure no. 041632024933461

Built: 1983; 42 years old
Condition: Fair; inspected October 2024
Type: Slab; Concrete
Length: 76 ft; 4 main spans
Daily traffic: 70; 2021 count
Owner: County; County Highway Agency

About this bridge

Power Plant RD over Mundy Bayou is a concrete slab carrying Power Plant RD over Mundy Bayou in De Soto Parish, Louisiana. It was built in 1983, so it is 42 years old, younger 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 70 vehicles a day, projected to reach 77 by 2041. The structure is 76 ft (23.2 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesPower Plant RD

CrossesMundy Bayou

Location0.2 MI E of LA 3248

RouteCounty Highway 0

CountyDe Soto Parish

StateLouisiana

Coordinates32.04108, -93.57699

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.

Component	Rating	Meaning
Deck	6 Satisfactory	Structural elements show some minor deterioration.
Superstructure	6 Satisfactory	Structural elements show some minor deterioration.
Substructure	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection	7 Good	Some minor problems.

Last inspectionOctober 2024

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is

Deck geometry8: Equal to present desirable criteria

Waterway adequacy7: Better than present minimum criteria

Approach roadway alignment6: Equal to present minimum criteria

Operating rating41.8 US tons

Inventory rating32.2 US tons

Structure

Structure typeSlab

MaterialConcrete

DeckConcrete, precast panels

Main spans4

Design loadHS 20

Structure length76 ft (23.2 m)

Longest span19 ft (5.8 m)

Deck width35 ft (10.7 m)

Roadway width32 ft (9.8 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2021)

Projected traffic77 by 2041

Trucks—

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed6.2 mi (10 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 Power Plant RD over Mundy Bayou built?

It was built in 1983, making it 42 years old in 2025.

What condition is Power Plant RD over Mundy 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 October 2024.

How much traffic does Power Plant RD over Mundy Bayou carry?

About 70 vehicles per day (2021 count).

How long is Power Plant RD over Mundy Bayou?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 35 ft wide.

Who owns Power Plant RD over Mundy Bayou?

It is owned by the County Highway Agency.