US Bridges

I0020 over I-20

Fair

Caddo Parish, Louisiana · I-220 Ramps over I-20 · Structure no. 040904510111687

Built
1985
40 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
630 ft
1 main span
Daily traffic
87,567
2021 count
Owner
State
State Highway Agency

About this bridge

I0020 over I-20 is a steel continuous stringer/multi-beam or girder carrying I0020 over I-20 in Caddo Parish, Louisiana. It was built in 1985, so it is 40 years old, younger 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 87,567 vehicles a day, roughly 19% of them trucks, projected to reach 96,323 by 2041. The structure is 630 ft (192 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0020
CrossesI-20
LocationI-220 Ramps over I-20
RouteInterstate 20
Coordinates32.45473, -93.84789
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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating27.1 US tons
Inventory rating21.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadHS 20
Structure length630 ft (192 m)
Longest span155 ft (47.2 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.6 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
CarriesOverpass structure at an interchange
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I0020 over I-20 built?

It was built in 1985, making it 40 years old in 2025.

What condition is I0020 over I-20 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 I-20 carry?

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

How long is I0020 over I-20?

The structure is 630 ft (192 m) long with a longest span of 155 ft (47.2 m) and a deck 28 ft wide.

Who owns I0020 over I-20?

It is owned by the State Highway Agency.