US Bridges

I0012 over Drain

Fair

Livingston Parish, Louisiana · 1.65 MI E. of LA 447 Int · Structure no. 623204540209271

Built
1970
55 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
77,469
2021 count
Owner
State
State Highway Agency

About this bridge

I0012 over Drain is a concrete culvert carrying I0012 over Drain in Livingston Parish, Louisiana. It was built in 1970, so it is 55 years old, older 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 77,469 vehicles a day, roughly 26% of them trucks, projected to reach 85,215 by 2041. The structure is 29 ft (8.8 m) long and 245 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesI0012
CrossesDrain
Location1.65 MI E. of LA 447 Int
RouteInterstate 12
Coordinates30.47329, -90.8354
Functional classUrban Principal Arterial - Interstate

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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span8 ft (2.4 m)
Deck width245 ft (74.7 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic77,469 (2021)
Projected traffic85,215 by 2041
Trucks26%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I0012 over Drain built?

It was built in 1970, making it 55 years old in 2025.

What condition is I0012 over Drain 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 2024.

How much traffic does I0012 over Drain carry?

About 77,469 vehicles per day (2021 count), of which roughly 26% are trucks.

How long is I0012 over Drain?

The structure is 29 ft (8.8 m) long with a longest span of 8 ft (2.4 m) and a deck 245 ft wide.

Who owns I0012 over Drain?

It is owned by the State Highway Agency.