US Bridges

LA0363 over Drainage Canal

Good

St. Landry Parish, Louisiana · 2.2 MI N of LA 748 · Structure no. 034900000030379

Built
2009
16 years old
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
200 ft
5 main spans
Daily traffic
777
2021 count
Owner
State
State Highway Agency

About this bridge

LA0363 over Drainage Canal is a prestressed concrete box beam or girders - multiple carrying LA0363 over Drainage Canal in St. Landry Parish, Louisiana. It was built in 2009, so it is 16 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 777 vehicles a day, roughly 12% of them trucks, projected to reach 854 by 2041. The structure is 200 ft (61 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesLA0363
CrossesDrainage Canal
Location2.2 MI N of LA 748
RouteState Highway 363
CountySt. Landry Parish
StateLouisiana
Coordinates30.70595, -92.1594
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 alignment7: Better than present minimum criteria
Operating rating58.2 US tons
Inventory rating38.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length200 ft (61 m)
Longest span40 ft (12.2 m)
Deck width32 ft (9.9 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic777 (2021)
Projected traffic854 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0363 over Drainage Canal built?

It was built in 2009, making it 16 years old in 2025.

What condition is LA0363 over Drainage Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does LA0363 over Drainage Canal carry?

About 777 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is LA0363 over Drainage Canal?

The structure is 200 ft (61 m) long with a longest span of 40 ft (12.2 m) and a deck 32 ft wide.

Who owns LA0363 over Drainage Canal?

It is owned by the State Highway Agency.