US Bridges

I0020 over I20;RAMP N5

Fair

Ouachita Parish, Louisiana · 2.2 MI East of LA 34 · Structure no. 053704510618528

Built
1965
60 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
344 ft
5 main spans
Daily traffic
15,642
2021 count
Owner
State
State Highway Agency

About this bridge

I0020 over I20;RAMP N5 is a steel stringer/multi-beam or girder carrying I0020 over I20;RAMP N5 in Ouachita Parish, Louisiana. It was built in 1965, so it is 60 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 15,642 vehicles a day, roughly 25% of them trucks, projected to reach 17,206 by 2041. The structure is 344 ft (104.9 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI0020
CrossesI20;RAMP N5
Location2.2 MI East of LA 34
RouteInterstate 20
CountyOuachita Parish
StateLouisiana
Coordinates32.50117, -92.1065
Functional classUrban 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.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating96 US tons
Inventory rating57 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length344 ft (104.9 m)
Longest span56 ft (17.1 m)
Deck width35 ft (10.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,642 (2021)
Projected traffic17,206 by 2041
Trucks25%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I0020 over I20;RAMP N5 built?

It was built in 1965, making it 60 years old in 2025.

What condition is I0020 over I20;RAMP N5 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 2024.

How much traffic does I0020 over I20;RAMP N5 carry?

About 15,642 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is I0020 over I20;RAMP N5?

The structure is 344 ft (104.9 m) long with a longest span of 56 ft (17.1 m) and a deck 35 ft wide.

Who owns I0020 over I20;RAMP N5?

It is owned by the State Highway Agency.