US Bridges

LA0526 over Drainage Canal

Fair

Caddo Parish, Louisiana · 2.43 MI N of JCT LA3132 · Structure no. 040908090815591

Built
1978
47 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
135 ft
3 main spans
Daily traffic
19,314
2021 count
Owner
State
State Highway Agency

About this bridge

LA0526 over Drainage Canal is a prestressed concrete stringer/multi-beam or girder carrying LA0526 over Drainage Canal in Caddo Parish, Louisiana. It was built in 1978, so it is 47 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 19,314 vehicles a day, roughly 8% of them trucks, projected to reach 21,245 by 2041. The structure is 135 ft (41.1 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLA0526
CrossesDrainage Canal
Location2.43 MI N of JCT LA3132
RouteState Highway 526
Coordinates32.4408, -93.70552
Functional classUrban Other Principal Arterial

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 protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating63.2 US tons
Inventory rating40.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length135 ft (41.1 m)
Longest span45 ft (13.7 m)
Deck width46 ft (13.9 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,314 (2021)
Projected traffic21,245 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 LA0526 over Drainage Canal built?

It was built in 1978, making it 47 years old in 2025.

What condition is LA0526 over Drainage 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 February 2023.

How much traffic does LA0526 over Drainage Canal carry?

About 19,314 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is LA0526 over Drainage Canal?

The structure is 135 ft (41.1 m) long with a longest span of 45 ft (13.7 m) and a deck 46 ft wide.

Who owns LA0526 over Drainage Canal?

It is owned by the State Highway Agency.