US Bridges

Desiard ST over Youngs Bayou

Fair

Ouachita Parish, Louisiana · Desiard St. Monroe L · Structure no. 053732311920551

Built
1961
64 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
50 ft
2 main spans
Daily traffic
10,000
1980 count
Owner
City
City or Municipal Highway Agency

About this bridge

Desiard ST over Youngs Bayou is a concrete slab carrying Desiard ST over Youngs Bayou in Ouachita Parish, Louisiana. It was built in 1961, so it is 64 years old, older 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 6 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 10,000 vehicles a day, projected to reach 11,000 by 2000. The structure is 50 ft (15.2 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesDesiard ST
CrossesYoungs Bayou
LocationDesiard St. Monroe L
RouteCounty Highway 0
CountyOuachita Parish
StateLouisiana
Coordinates32.51763, -92.09151
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.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span24 ft (7.3 m)
Deck width48 ft (14.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (1980)
Projected traffic11,000 by 2000
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$285,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Desiard ST over Youngs Bayou built?

It was built in 1961, making it 64 years old in 2025.

What condition is Desiard ST over Youngs 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 August 2024.

How much traffic does Desiard ST over Youngs Bayou carry?

About 10,000 vehicles per day (1980 count).

How long is Desiard ST over Youngs Bayou?

The structure is 50 ft (15.2 m) long with a longest span of 24 ft (7.3 m) and a deck 48 ft wide.

Who owns Desiard ST over Youngs Bayou?

It is owned by the City or Municipal Highway Agency.