US Bridges

LA0652 over 40 Arpent Canal

Fair

Lafourche Parish, Louisiana · 0.3 Miles East of LA 182 · Structure no. 022900000020389

Built
2009
16 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
57 ft
3 main spans
Daily traffic
1,867
2021 count
Owner
State
State Highway Agency

About this bridge

LA0652 over 40 Arpent Canal is a concrete slab carrying LA0652 over 40 Arpent Canal in Lafourche 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 1,867 vehicles a day, projected to reach 2,053 by 2041. The structure is 57 ft (17.4 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLA0652
Crosses40 Arpent Canal
Location0.3 Miles East of LA 182
RouteState Highway 652
Coordinates29.71031, -90.614
Functional classUrban Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,867 (2021)
Projected traffic2,053 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 LA0652 over 40 Arpent Canal built?

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

What condition is LA0652 over 40 Arpent 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 May 2023.

How much traffic does LA0652 over 40 Arpent Canal carry?

About 1,867 vehicles per day (2021 count).

How long is LA0652 over 40 Arpent Canal?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns LA0652 over 40 Arpent Canal?

It is owned by the State Highway Agency.