US Bridges

Maplewood DR over Gardere Canal

Fair

Jefferson Parish, Louisiana · 0.3 Mi. S. of US90 Fronta · Structure no. 022629538900411

Built
1983
42 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
1,000
1980 count
Owner
County
County Highway Agency

About this bridge

Maplewood DR over Gardere Canal is a concrete culvert carrying Maplewood DR over Gardere Canal in Jefferson Parish, Louisiana. It was built in 1983, so it is 42 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 1,000 vehicles a day, projected to reach 1,100 by 2000. The structure is 24 ft (7.3 m) long and 41 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesMaplewood DR
CrossesGardere Canal
Location0.3 Mi. S. of US90 Fronta
RouteCounty Highway 0
CountyJefferson Parish
StateLouisiana
Coordinates29.89606, -90.06755
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating35.7 US tons
Inventory rating27.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span12 ft (3.7 m)
Deck width41 ft (12.6 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (1980)
Projected traffic1,100 by 2000
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed98.8 mi (159 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 Maplewood DR over Gardere Canal built?

It was built in 1983, making it 42 years old in 2025.

What condition is Maplewood DR over Gardere 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 January 2023.

How much traffic does Maplewood DR over Gardere Canal carry?

About 1,000 vehicles per day (1980 count).

How long is Maplewood DR over Gardere Canal?

The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.7 m) and a deck 41 ft wide.

Who owns Maplewood DR over Gardere Canal?

It is owned by the County Highway Agency.