US Bridges

South 6th ST over Youngs Bayou Drain Canal

FairPosted for load

Ouachita Parish, Louisiana · .11 Mi. So. Int. HWY · Structure no. 053732288920531

Built
1975
50 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
38 ft
2 main spans
Daily traffic
500
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

South 6th ST over Youngs Bayou Drain Canal is a concrete slab carrying South 6th ST over Youngs Bayou Drain Canal in Ouachita Parish, Louisiana. It was built in 1975, so it is 50 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. Its operating status is: posted for load restriction.

It carries about 500 vehicles a day, projected to reach 550 by 2036. The structure is 38 ft (11.6 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSouth 6th ST
CrossesYoungs Bayou Drain Canal
Location.11 Mi. So. Int. HWY
RouteCounty Highway 0
Coordinates32.48098, -92.09305
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 statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.1 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2016)
Projected traffic550 by 2036
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was South 6th ST over Youngs Bayou Drain Canal built?

It was built in 1975, making it 50 years old in 2025.

What condition is South 6th ST over Youngs Bayou Drain Canal 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 South 6th ST over Youngs Bayou Drain Canal carry?

About 500 vehicles per day (2016 count).

How long is South 6th ST over Youngs Bayou Drain Canal?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns South 6th ST over Youngs Bayou Drain Canal?

It is owned by the City or Municipal Highway Agency.