US Bridges

LA3134 over Drain Ditch

Fair

Jefferson Parish, Louisiana · 1 Mile North of Int Ww · Structure no. 022600000020409

Built
1985
40 years old
Condition
Fair
inspected June 2024
Type
Culvert
Steel
Length
24 ft
4 main spans
Daily traffic
5,599
2021 count
Owner
State
State Highway Agency

About this bridge

LA3134 over Drain Ditch is a steel culvert carrying LA3134 over Drain Ditch 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 fair condition with a lowest component rating of 5 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 5,599 vehicles a day, roughly 20% of them trucks, projected to reach 6,158 by 2041. The structure is 24 ft (7.3 m) long and 231 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLA3134
CrossesDrain Ditch
Location1 Mile North of Int Ww
RouteState Highway 3134
Coordinates29.76997, -90.1007
Functional classRural 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating82.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span5 ft (1.5 m)
Deck width231 ft (70.4 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,599 (2021)
Projected traffic6,158 by 2041
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed98.8 mi (159 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 LA3134 over Drain Ditch built?

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

What condition is LA3134 over Drain Ditch 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 June 2024.

How much traffic does LA3134 over Drain Ditch carry?

About 5,599 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is LA3134 over Drain Ditch?

The structure is 24 ft (7.3 m) long with a longest span of 5 ft (1.5 m) and a deck 231 ft wide.

Who owns LA3134 over Drain Ditch?

It is owned by the State Highway Agency.