US Bridges

Southern Ave over Kings Highway

Fair

Caddo Parish, Louisiana · 2.8M North of LA 511 · Structure no. 040932289934531

Built
1992
33 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Steel Continuous
Length
191 ft
2 main spans
Daily traffic
8,132
1979 count
Owner
City
City or Municipal Highway Agency

About this bridge

Southern Ave over Kings Highway is a steel continuous box beam or girders - multiple carrying Southern Ave over Kings Highway in Caddo Parish, Louisiana. It was built in 1992, so it is 33 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 8,132 vehicles a day, projected to reach 8,945 by 1999. The structure is 191 ft (58.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSouthern Ave
CrossesKings Highway
Location2.8M North of LA 511
RouteCity Street 0
Coordinates32.48159, -93.75449
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.8 US tons
Inventory rating20.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length191 ft (58.2 m)
Longest span99 ft (30.2 m)
Deck width43 ft (13.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,132 (1979)
Projected traffic8,945 by 1999
Trucks—
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
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$775,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Southern Ave over Kings Highway built?

It was built in 1992, making it 33 years old in 2025.

What condition is Southern Ave over Kings Highway 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 April 2023.

How much traffic does Southern Ave over Kings Highway carry?

About 8,132 vehicles per day (1979 count).

How long is Southern Ave over Kings Highway?

The structure is 191 ft (58.2 m) long with a longest span of 99 ft (30.2 m) and a deck 43 ft wide.

Who owns Southern Ave over Kings Highway?

It is owned by the City or Municipal Highway Agency.