US Bridges

LA0033 over Flathead Canal

Fair

Lincoln Parish, Louisiana · 1.89 MI N. of Jct. 1-20 · Structure no. 053100000050292

Built
2009
16 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
36 ft
4 main spans
Daily traffic
11,331
2021 count
Owner
State
State Highway Agency

About this bridge

LA0033 over Flathead Canal is a concrete culvert carrying LA0033 over Flathead Canal in Lincoln 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 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 11,331 vehicles a day, roughly 9% of them trucks, projected to reach 12,464 by 2041. The structure is 36 ft (11 m) long and 123 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLA0033
CrossesFlathead Canal
Location1.89 MI N. of Jct. 1-20
RouteState Highway 33
Coordinates32.56469, -92.60595
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating55 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length36 ft (11 m)
Longest span8 ft (2.4 m)
Deck width123 ft (37.5 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,331 (2021)
Projected traffic12,464 by 2041
Trucks9%
Lanes on structure5
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 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 LA0033 over Flathead Canal built?

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

What condition is LA0033 over Flathead 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 October 2023.

How much traffic does LA0033 over Flathead Canal carry?

About 11,331 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is LA0033 over Flathead Canal?

The structure is 36 ft (11 m) long with a longest span of 8 ft (2.4 m) and a deck 123 ft wide.

Who owns LA0033 over Flathead Canal?

It is owned by the State Highway Agency.