US Bridges

I0020 over LA Ave &howell ST

Fair

Caddo Parish, Louisiana · 2.3 MI West of LA 71 · Structure no. 040904510118818

Built
1965
60 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete Continuous
Length
318 ft
5 main spans
Daily traffic
87,567
2021 count
Owner
State
State Highway Agency

About this bridge

I0020 over LA Ave &howell ST is a concrete continuous tee beam carrying I0020 over LA Ave &howell ST 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 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 87,567 vehicles a day, roughly 19% of them trucks, projected to reach 96,323 by 2041. The structure is 318 ft (96.9 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI0020
CrossesLA Ave &howell ST
Location2.3 MI West of LA 71
RouteInterstate 20
Coordinates32.50644, -93.74623
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length318 ft (96.9 m)
Longest span80 ft (24.4 m)
Deck width26 ft (7.8 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic87,567 (2021)
Projected traffic96,323 by 2041
Trucks19%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 LA Ave &howell ST built?

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

What condition is I0020 over LA Ave &howell ST 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 LA Ave &howell ST carry?

About 87,567 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is I0020 over LA Ave &howell ST?

The structure is 318 ft (96.9 m) long with a longest span of 80 ft (24.4 m) and a deck 26 ft wide.

Who owns I0020 over LA Ave &howell ST?

It is owned by the State Highway Agency.