US Bridges

I0020 over Boeuf River

Fair

Richland Parish, Louisiana · 3.0 MI East of LA 133 · Structure no. 054204510707361

Built
1968
57 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
302 ft
5 main spans
Daily traffic
38,890
2021 count
Owner
State
State Highway Agency

About this bridge

I0020 over Boeuf River is a prestressed concrete stringer/multi-beam or girder carrying I0020 over Boeuf River in Richland Parish, Louisiana. It was built in 1968, so it is 57 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 302 ft (92 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0020
CrossesBoeuf River
Location3.0 MI East of LA 133
RouteInterstate 20
Coordinates32.46827, -91.8119
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating85 US tons
Inventory rating39 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length302 ft (92 m)
Longest span60 ft (18.3 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,890 (2021)
Projected traffic42,779 by 2041
Trucks37%
Lanes on structure2
Traffic directionOne-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I0020 over Boeuf River built?

It was built in 1968, making it 57 years old in 2025.

What condition is I0020 over Boeuf River 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 Boeuf River carry?

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

How long is I0020 over Boeuf River?

The structure is 302 ft (92 m) long with a longest span of 60 ft (18.3 m) and a deck 33 ft wide.

Who owns I0020 over Boeuf River?

It is owned by the State Highway Agency.