US Bridges

I0020 over Drain

Fair

Ouachita Parish, Louisiana · 1.1 MI East of US 165 · Structure no. 053704510620981

Built
1968
57 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
84,225
2021 count
Owner
State
State Highway Agency

About this bridge

I0020 over Drain is a concrete culvert carrying I0020 over Drain in Ouachita Parish, Louisiana. It was built in 1968, so it is 57 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 84,225 vehicles a day, roughly 25% of them trucks, projected to reach 92,647 by 2041. The structure is 26 ft (7.9 m) long and 153 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0020
CrossesDrain
Location1.1 MI East of US 165
RouteInterstate 20
Coordinates32.49618, -92.0653
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width153 ft (46.6 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic84,225 (2021)
Projected traffic92,647 by 2041
Trucks25%
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 I0020 over Drain built?

It was built in 1968, making it 57 years old in 2025.

What condition is I0020 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 October 2024.

How much traffic does I0020 over Drain carry?

About 84,225 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is I0020 over Drain?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m) and a deck 153 ft wide.

Who owns I0020 over Drain?

It is owned by the State Highway Agency.