US Bridges

Segnette Blvd over Main Canal

Fair

Jefferson Parish, Louisiana · 0.7 MI S. of U.S. 90 Bus. · Structure no. 022629538900102

Built
1986
39 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete
Length
171 ft
9 main spans
Daily traffic
—
2016 count
Owner
County
County Highway Agency

About this bridge

Segnette Blvd over Main Canal is a concrete slab carrying Segnette Blvd over Main Canal in Jefferson Parish, Louisiana. It was built in 1986, so it is 39 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.

No traffic count is recorded. The structure is 171 ft (52.1 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSegnette Blvd
CrossesMain Canal
Location0.7 MI S. of U.S. 90 Bus.
RouteCounty Highway 0
CountyJefferson Parish
StateLouisiana
Coordinates29.89836, -90.16615
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 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 rating41.4 US tons
Inventory rating31.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans9
Design loadHS 20
Structure length171 ft (52.1 m)
Longest span19 ft (5.8 m)
Deck width39 ft (11.9 m)
Roadway width31 ft (9.6 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

OwnerCounty Highway Agency
Maintained byCounty 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 Segnette Blvd over Main Canal built?

It was built in 1986, making it 39 years old in 2025.

What condition is Segnette Blvd over Main 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 February 2023.

How much traffic does Segnette Blvd over Main Canal carry?

No traffic count is recorded for this structure.

How long is Segnette Blvd over Main Canal?

The structure is 171 ft (52.1 m) long with a longest span of 19 ft (5.8 m) and a deck 39 ft wide.

Who owns Segnette Blvd over Main Canal?

It is owned by the County Highway Agency.