US Bridges

I0020 over US 80

Fair

Webster Parish, Louisiana · 3.14 MI West of US 371 · Structure no. 046004510303142

Built
1975
50 years old
Condition
Fair
inspected September 2023
Type
Girder and Floorbeam System
Steel Continuous
Length
551 ft
4 main spans
Daily traffic
31,074
2021 count
Owner
State
State Highway Agency

About this bridge

I0020 over US 80 is a steel continuous girder and floorbeam system carrying I0020 over US 80 in Webster Parish, Louisiana. It was built in 1975, so it is 50 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 31,074 vehicles a day, roughly 36% of them trucks, projected to reach 34,181 by 2041. The structure is 551 ft (167.9 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0020
CrossesUS 80
Location3.14 MI West of US 371
RouteInterstate 20
Coordinates32.58306, -93.39019
Functional classRural 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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82 US tons
Inventory rating49.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length551 ft (167.9 m)
Longest span175 ft (53.3 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,074 (2021)
Projected traffic34,181 by 2041
Trucks36%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
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 US 80 built?

It was built in 1975, making it 50 years old in 2025.

What condition is I0020 over US 80 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 2023.

How much traffic does I0020 over US 80 carry?

About 31,074 vehicles per day (2021 count), of which roughly 36% are trucks.

How long is I0020 over US 80?

The structure is 551 ft (167.9 m) long with a longest span of 175 ft (53.3 m) and a deck 43 ft wide.

Who owns I0020 over US 80?

It is owned by the State Highway Agency.