US Bridges

W. Esplanade over Duncan Canal

Good

Jefferson Parish, Louisiana · 0.4 MI W of LA 49 · Structure no. 022600000020538

Built
2020
5 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
86 ft
2 main spans
Daily traffic
28,547
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

W. Esplanade over Duncan Canal is a concrete culvert carrying W. Esplanade over Duncan Canal in Jefferson Parish, Louisiana. It was built in 2020, so it is 5 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 28,547 vehicles a day, projected to reach 31,401 by 2038. The structure is 86 ft (26.2 m) long and 294 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesW. Esplanade
CrossesDuncan Canal
Location0.4 MI W of LA 49
RouteCounty Highway 0
CountyJefferson Parish
StateLouisiana
Coordinates30.02013, -90.24685
Functional classRural Local

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 protection9 ExcellentNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.9 US tons
Inventory rating64.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadGreater than HL 93
Structure length86 ft (26.2 m)
Longest span38 ft (11.6 m)
Deck width294 ft (89.6 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,547 (2018)
Projected traffic31,401 by 2038
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 W. Esplanade over Duncan Canal built?

It was built in 2020, making it 5 years old in 2025.

What condition is W. Esplanade over Duncan 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 May 2023.

How much traffic does W. Esplanade over Duncan Canal carry?

About 28,547 vehicles per day (2018 count).

How long is W. Esplanade over Duncan Canal?

The structure is 86 ft (26.2 m) long with a longest span of 38 ft (11.6 m) and a deck 294 ft wide.

Who owns W. Esplanade over Duncan Canal?

It is owned by the City or Municipal Highway Agency.