US Bridges

LA0034 over I-20

Fair

Ouachita Parish, Louisiana · LA 34 over I-20 · Structure no. 053700670907131

Built
1965
60 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
333 ft
6 main spans
Daily traffic
20,451
2021 count
Owner
State
State Highway Agency

About this bridge

LA0034 over I-20 is a steel stringer/multi-beam or girder carrying LA0034 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 20,451 vehicles a day, roughly 9% of them trucks, projected to reach 22,496 by 2041. The structure is 333 ft (101.5 m) long and 41 ft wide.

Location

Open in Google Maps
CarriesLA0034
CrossesI-20
LocationLA 34 over I-20
RouteState Highway 34
CountyOuachita Parish
StateLouisiana
Coordinates32.49792, -92.139
Functional classUrban Other Principal Arterial

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.
Substructure7 GoodSome minor problems.
Last inspectionAugust 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 rating60 US tons
Inventory rating46.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length333 ft (101.5 m)
Longest span63 ft (19.2 m)
Deck width41 ft (12.5 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,451 (2021)
Projected traffic22,496 by 2041
Trucks9%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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$1.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was LA0034 over I-20 built?

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

What condition is LA0034 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 August 2024.

How much traffic does LA0034 over I-20 carry?

About 20,451 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is LA0034 over I-20?

The structure is 333 ft (101.5 m) long with a longest span of 63 ft (19.2 m) and a deck 41 ft wide.

Who owns LA0034 over I-20?

It is owned by the State Highway Agency.