US Bridges

I0012 over Drain

Fair

East Baton Rouge Parish, Louisiana · 1.5 M E of I-10&I-12 · Structure no. 611704540102051

Built
1967
58 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
24 ft
4 main spans
Daily traffic
28,013
2021 count
Owner
State
State Highway Agency

About this bridge

I0012 over Drain is a concrete culvert carrying I0012 over Drain in East Baton Rouge Parish, Louisiana. It was built in 1967, so it is 58 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 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 28,013 vehicles a day, roughly 9% of them trucks, projected to reach 30,814 by 2041. The structure is 24 ft (7.3 m) long and 276 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0012
CrossesDrain
Location1.5 M E of I-10&I-12
RouteInterstate 12
Coordinates30.41912, -91.08676
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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
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 spans4
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span5 ft (1.5 m)
Deck width276 ft (84.1 m)
Roadway width114 ft (34.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,013 (2021)
Projected traffic30,814 by 2041
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 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 I0012 over Drain built?

It was built in 1967, making it 58 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 July 2024.

How much traffic does I0012 over Drain carry?

About 28,013 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is I0012 over Drain?

The structure is 24 ft (7.3 m) long with a longest span of 5 ft (1.5 m) and a deck 276 ft wide.

Who owns I0012 over Drain?

It is owned by the State Highway Agency.