US Bridges

32nd ST over Duncan Canal

Good

Jefferson Parish, Louisiana · 0.5 MI W of Williams Blvd · Structure no. 022630009901482

Built
1985
40 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete
Length
133 ft
7 main spans
Daily traffic
—
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

32nd ST over Duncan Canal is a concrete slab carrying 32nd ST over Duncan Canal in Jefferson Parish, Louisiana. It was built in 1985, so it is 40 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.

No traffic count is recorded. The structure is 133 ft (40.5 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries32nd ST
CrossesDuncan Canal
Location0.5 MI W of Williams Blvd
RouteCounty Highway 0
Coordinates30.01463, -90.24632
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating48.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans7
Design loadHS 20
Structure length133 ft (40.5 m)
Longest span19 ft (5.8 m)
Deck width35 ft (10.7 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
Trucks—
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
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 32nd ST over Duncan Canal built?

It was built in 1985, making it 40 years old in 2025.

What condition is 32nd ST 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 32nd ST over Duncan Canal carry?

No traffic count is recorded for this structure.

How long is 32nd ST over Duncan Canal?

The structure is 133 ft (40.5 m) long with a longest span of 19 ft (5.8 m) and a deck 35 ft wide.

Who owns 32nd ST over Duncan Canal?

It is owned by the City or Municipal Highway Agency.