US Bridges

US0084 over Mundy Bayou

Good

De Soto Parish, Louisiana · 0.17 MI West of I-49 · Structure no. 041600000017171

Built
1986
39 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
4,563
2021 count
Owner
State
State Highway Agency

About this bridge

US0084 over Mundy Bayou is a concrete slab carrying US0084 over Mundy Bayou in De Soto Parish, Louisiana. It was built in 1986, so it is 39 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 4,563 vehicles a day, roughly 26% of them trucks, projected to reach 5,019 by 2041. The structure is 100 ft (30.5 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS0084
CrossesMundy Bayou
Location0.17 MI West of I-49
RouteU.S. Route 84
CountyDe Soto Parish
StateLouisiana
Coordinates32.0632, -93.5652
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,563 (2021)
Projected traffic5,019 by 2041
Trucks26%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US0084 over Mundy Bayou built?

It was built in 1986, making it 39 years old in 2025.

What condition is US0084 over Mundy 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 June 2023.

How much traffic does US0084 over Mundy Bayou carry?

About 4,563 vehicles per day (2021 count), of which roughly 26% are trucks.

How long is US0084 over Mundy Bayou?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns US0084 over Mundy Bayou?

It is owned by the State Highway Agency.