US Bridges

I0020 over Burns Bayou

Fair

Richland Parish, Louisiana · 1.5 MI East of LA 137 · Structure no. 054204510712031

Built
1969
56 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
38,890
2021 count
Owner
State
State Highway Agency

About this bridge

I0020 over Burns Bayou is a concrete culvert carrying I0020 over Burns Bayou in Richland Parish, Louisiana. It was built in 1969, so it is 56 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 38,890 vehicles a day, roughly 37% of them trucks, projected to reach 42,779 by 2041. The structure is 33 ft (10.1 m) long and 195 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0020
CrossesBurns Bayou
Location1.5 MI East of LA 137
RouteInterstate 20
Coordinates32.45636, -91.7331
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span7 ft (2.1 m)
Deck width195 ft (59.3 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,890 (2021)
Projected traffic42,779 by 2041
Trucks37%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I0020 over Burns Bayou built?

It was built in 1969, making it 56 years old in 2025.

What condition is I0020 over Burns Bayou 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 October 2023.

How much traffic does I0020 over Burns Bayou carry?

About 38,890 vehicles per day (2021 count), of which roughly 37% are trucks.

How long is I0020 over Burns Bayou?

The structure is 33 ft (10.1 m) long with a longest span of 7 ft (2.1 m) and a deck 195 ft wide.

Who owns I0020 over Burns Bayou?

It is owned by the State Highway Agency.