US Bridges

US 80 over I-20

Good

Ouachita Parish, Louisiana · 1.69 Mi. E. of LA 151 · Structure no. 053700000050279

Built
2021
4 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
290 ft
2 main spans
Daily traffic
3,275
2021 count
Owner
State
State Highway Agency

About this bridge

US 80 over I-20 is a steel stringer/multi-beam or girder carrying US 80 over I-20 in Ouachita Parish, Louisiana. It was built in 2021, so it is 4 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,275 vehicles a day, roughly 14% of them trucks, projected to reach 3,602 by 2041. The structure is 290 ft (88.4 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 80
CrossesI-20
Location1.69 Mi. E. of LA 151
RouteU.S. Route 80
Coordinates32.51876, -92.3303
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating49.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadGreater than HL 93
Structure length290 ft (88.4 m)
Longest span145 ft (44.2 m)
Deck width47 ft (14.2 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,275 (2021)
Projected traffic3,602 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 US 80 over I-20 built?

It was built in 2021, making it 4 years old in 2025.

What condition is US 80 over I-20 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does US 80 over I-20 carry?

About 3,275 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is US 80 over I-20?

The structure is 290 ft (88.4 m) long with a longest span of 145 ft (44.2 m) and a deck 47 ft wide.

Who owns US 80 over I-20?

It is owned by the State Highway Agency.