US Bridges

I0020 over I-20

Fair

Ouachita Parish, Louisiana · .3 MI East of LA 34 · Structure no. 053704510616635

Built
1965
60 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
820 ft
15 main spans
Daily traffic
31,285
2021 count
Owner
State
State Highway Agency

About this bridge

I0020 over I-20 is a steel stringer/multi-beam or girder carrying I0020 over I-20 in Ouachita 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 31,285 vehicles a day, roughly 25% of them trucks, projected to reach 34,413 by 2041. The structure is 820 ft (249.9 m) long and 32 ft wide.

CarriesI0020
CrossesI-20
Location.3 MI East of LA 34
RouteInterstate 20
Coordinates32.49918, -92.1364
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating78 US tons
Inventory rating47 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans15
Design loadHS 20
Structure length820 ft (249.9 m)
Longest span67 ft (20.4 m)
Deck width32 ft (9.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,285 (2021)
Projected traffic34,413 by 2041
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I0020 over I-20 built?

It was built in 1965, making it 60 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 September 2024.

How much traffic does I0020 over I-20 carry?

About 31,285 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is I0020 over I-20?

The structure is 820 ft (249.9 m) long with a longest span of 67 ft (20.4 m) and a deck 32 ft wide.

Who owns I0020 over I-20?

It is owned by the State Highway Agency.