US Bridges

I0020 over Line Ave

Fair

Caddo Parish, Louisiana · .14 MI West of LA 3036 · Structure no. 040904510118751

Built
1966
59 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete Continuous
Length
183 ft
2 main spans
Daily traffic
98,318
2021 count
Owner
State
State Highway Agency

About this bridge

I0020 over Line Ave is a concrete continuous tee beam carrying I0020 over Line Ave in Caddo Parish, Louisiana. It was built in 1966, so it is 59 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 183 ft (55.8 m) long and 57 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesI0020
CrossesLine Ave
Location.14 MI West of LA 3036
RouteInterstate 20
Coordinates32.50454, -93.74681
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 rating78 US tons
Inventory rating47 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length183 ft (55.8 m)
Longest span83 ft (25.3 m)
Deck width57 ft (17.5 m)
Roadway width52 ft (16 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic98,318 (2021)
Projected traffic108,149 by 2041
Trucks19%
Lanes on structure2
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 Line Ave built?

It was built in 1966, making it 59 years old in 2025.

What condition is I0020 over Line 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 Line Ave carry?

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

How long is I0020 over Line Ave?

The structure is 183 ft (55.8 m) long with a longest span of 83 ft (25.3 m) and a deck 57 ft wide.

Who owns I0020 over Line Ave?

It is owned by the State Highway Agency.