US Bridges

Airport RD over Canal

GoodPosted for load

Lafourche Parish, Louisiana · 1.18 MI E. Jsc. LA308 · Structure no. 022929261901641

Built
1983
42 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete
Length
114 ft
6 main spans
Daily traffic
788
2020 count
Owner
County
County Highway Agency

About this bridge

Airport RD over Canal is a concrete slab carrying Airport RD over Canal in Lafourche 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 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. Its operating status is: posted for load restriction.

It carries about 788 vehicles a day, projected to reach 866 by 2040. The structure is 114 ft (34.7 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesAirport RD
CrossesCanal
Location1.18 MI E. Jsc. LA308
RouteCounty Highway 0
CountyLafourche Parish
StateLouisiana
Coordinates29.4331, -90.27557
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.5 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length114 ft (34.7 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic788 (2020)
Projected traffic866 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Airport RD over Canal built?

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

What condition is Airport RD over 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 Airport RD over Canal carry?

About 788 vehicles per day (2020 count).

How long is Airport RD over Canal?

The structure is 114 ft (34.7 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Airport RD over Canal?

It is owned by the County Highway Agency.