US Bridges

I0020 over US 425

Fair

Richland Parish, Louisiana · I-20 over LA 137 · Structure no. 054204510710511

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

About this bridge

I0020 over US 425 is a prestressed concrete stringer/multi-beam or girder carrying I0020 over US 425 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 321 ft (97.8 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI0020
CrossesUS 425
LocationI-20 over LA 137
RouteInterstate 20
CountyRichland Parish
StateLouisiana
Coordinates32.45685, -91.7593
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length321 ft (97.8 m)
Longest span70 ft (21.3 m)
Deck width46 ft (13.9 m)
Roadway width40 ft (12.2 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
CarriesOverpass structure at an interchange
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 425 built?

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

What condition is I0020 over US 425 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 US 425 carry?

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

How long is I0020 over US 425?

The structure is 321 ft (97.8 m) long with a longest span of 70 ft (21.3 m) and a deck 46 ft wide.

Who owns I0020 over US 425?

It is owned by the State Highway Agency.