US Bridges

LA3017 over Drain Canal

Fair

Plaquemines Parish, Louisiana · 1.6 MI West of LA 23 · Structure no. 023808380102301

Built
1997
28 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
211 ft
3 main spans
Daily traffic
22,518
2021 count
Owner
State
State Highway Agency

About this bridge

LA3017 over Drain Canal is a prestressed concrete stringer/multi-beam or girder carrying LA3017 over Drain Canal in Plaquemines Parish, Louisiana. It was built in 1997, so it is 28 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 22,518 vehicles a day, roughly 11% of them trucks, projected to reach 24,769 by 2041. The structure is 211 ft (64.3 m) long and 45 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesLA3017
CrossesDrain Canal
Location1.6 MI West of LA 23
RouteState Highway 3017
Coordinates29.8559, -90.0222
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.1 US tons
Inventory rating51 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length211 ft (64.3 m)
Longest span70 ft (21.3 m)
Deck width45 ft (13.8 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,518 (2021)
Projected traffic24,769 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA3017 over Drain Canal built?

It was built in 1997, making it 28 years old in 2025.

What condition is LA3017 over Drain 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 December 2024.

How much traffic does LA3017 over Drain Canal carry?

About 22,518 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is LA3017 over Drain Canal?

The structure is 211 ft (64.3 m) long with a longest span of 70 ft (21.3 m) and a deck 45 ft wide.

Who owns LA3017 over Drain Canal?

It is owned by the State Highway Agency.