US Bridges

LA0035 over Drainage Canal

FairPosted for load

St. Landry Parish, Louisiana · 0.5 Mi. S. of LA 358 · Structure no. 034902070901901

Built
1968
57 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
76 ft
4 main spans
Daily traffic
1,352
2021 count
Owner
State
State Highway Agency

About this bridge

LA0035 over Drainage Canal is a concrete slab carrying LA0035 over Drainage Canal in St. Landry Parish, Louisiana. It was built in 1968, so it is 57 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 1,352 vehicles a day, roughly 13% of them trucks, projected to reach 1,487 by 2041. The structure is 76 ft (23.2 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesLA0035
CrossesDrainage Canal
Location0.5 Mi. S. of LA 358
RouteState Highway 35
CountySt. Landry Parish
StateLouisiana
Coordinates30.46038, -92.2027
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating23.9 US tons
Inventory rating18.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,352 (2021)
Projected traffic1,487 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$397,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0035 over Drainage Canal built?

It was built in 1968, making it 57 years old in 2025.

What condition is LA0035 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 2024.

How much traffic does LA0035 over Drainage Canal carry?

About 1,352 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA0035 over Drainage Canal?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 29 ft wide.

Who owns LA0035 over Drainage Canal?

It is owned by the State Highway Agency.