US Bridges

LA0358 over Drainage Canal

Fair

St. Landry Parish, Louisiana · 0.51 Mi. East of LA 357 · Structure no. 034908492000511

Built
1964
61 years old
Condition
Fair
inspected June 2023
Type
Culvert
Steel
Length
26 ft
2 main spans
Daily traffic
1,696
2021 count
Owner
State
State Highway Agency

About this bridge

LA0358 over Drainage Canal is a steel culvert carrying LA0358 over Drainage Canal in St. Landry Parish, Louisiana. It was built in 1964, so it is 61 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 1,696 vehicles a day, roughly 12% of them trucks, projected to reach 1,865 by 2041. The structure is 26 ft (7.9 m) long and 45 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLA0358
CrossesDrainage Canal
Location0.51 Mi. East of LA 357
RouteState Highway 358
CountySt. Landry Parish
StateLouisiana
Coordinates30.45141, -92.1514
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating82.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 15
Structure length26 ft (7.9 m)
Longest span11 ft (3.4 m)
Deck width45 ft (13.7 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,696 (2021)
Projected traffic1,865 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0358 over Drainage Canal built?

It was built in 1964, making it 61 years old in 2025.

What condition is LA0358 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 June 2023.

How much traffic does LA0358 over Drainage Canal carry?

About 1,696 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is LA0358 over Drainage Canal?

The structure is 26 ft (7.9 m) long with a longest span of 11 ft (3.4 m) and a deck 45 ft wide.

Who owns LA0358 over Drainage Canal?

It is owned by the State Highway Agency.