US Bridges

LA0023 over Weyrauch Canal

Good

Jefferson Parish, Louisiana · 1.0 Mi. S. of US 90B · Structure no. 022600000020519

Built
1992
33 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
28,481
2021 count
Owner
State
State Highway Agency

About this bridge

LA0023 over Weyrauch Canal is a concrete culvert carrying LA0023 over Weyrauch Canal in Jefferson Parish, Louisiana. It was built in 1992, so it is 33 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 28,481 vehicles a day, roughly 10% of them trucks, projected to reach 31,329 by 2041. The structure is 21 ft (6.4 m) long and 288 ft wide.

CarriesLA0023
CrossesWeyrauch Canal
Location1.0 Mi. S. of US 90B
RouteState Highway 23
Coordinates29.89413, -90.0384
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width288 ft (87.8 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,481 (2021)
Projected traffic31,329 by 2041
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 LA0023 over Weyrauch Canal built?

It was built in 1992, making it 33 years old in 2025.

What condition is LA0023 over Weyrauch 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 June 2023.

How much traffic does LA0023 over Weyrauch Canal carry?

About 28,481 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is LA0023 over Weyrauch Canal?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 288 ft wide.

Who owns LA0023 over Weyrauch Canal?

It is owned by the State Highway Agency.