US Bridges

I0020 over Louisiana Ave

Fair

Caddo Parish, Louisiana · .22 M E of LA 3036/LINE · Structure no. 040904510118841

Built
1965
60 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete Continuous
Length
188 ft
3 main spans
Daily traffic
98,318
2021 count
Owner
State
State Highway Agency

About this bridge

I0020 over Louisiana Ave is a concrete continuous tee beam carrying I0020 over Louisiana Ave in Caddo Parish, Louisiana. It was built in 1965, so it is 60 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 98,318 vehicles a day, roughly 19% of them trucks, projected to reach 108,149 by 2041. The structure is 188 ft (57.3 m) long and 66 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesI0020
CrossesLouisiana Ave
Location.22 M E of LA 3036/LINE
RouteInterstate 20
CountyCaddo Parish
StateLouisiana
Coordinates32.50565, -93.74615
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length188 ft (57.3 m)
Longest span78 ft (23.8 m)
Deck width66 ft (20 m)
Roadway width61 ft (18.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic98,318 (2021)
Projected traffic108,149 by 2041
Trucks19%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I0020 over Louisiana Ave built?

It was built in 1965, making it 60 years old in 2025.

What condition is I0020 over Louisiana Ave 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 March 2024.

How much traffic does I0020 over Louisiana Ave carry?

About 98,318 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is I0020 over Louisiana Ave?

The structure is 188 ft (57.3 m) long with a longest span of 78 ft (23.8 m) and a deck 66 ft wide.

Who owns I0020 over Louisiana Ave?

It is owned by the State Highway Agency.