US Bridges

I0020 over City St/Icg Rr/Ouachita

Fair

Ouachita Parish, Louisiana · 16.84 MI E Lincoln Par LN · Structure no. 053704510616842

Built
1965
60 years old
Condition
Fair
inspected May 2023
Type
Girder and Floorbeam System
Steel Continuous
Length
9,155 ft
8 main spans
Daily traffic
66,061
2021 count
Owner
State
State Highway Agency

About this bridge

I0020 over City St/Icg Rr/Ouachita is a steel continuous girder and floorbeam system carrying I0020 over City St/Icg Rr/Ouachita 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 5 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 66,061 vehicles a day, roughly 25% of them trucks, projected to reach 72,667 by 2041. The structure is 9,155 ft (2,790.4 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI0020
CrossesCity St/Icg Rr/Ouachita
Location16.84 MI E Lincoln Par LN
RouteInterstate 20
CountyOuachita Parish
StateLouisiana
Coordinates32.501, -92.1042
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating32.2 US tons
Inventory rating24.7 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8 (+145 approach)
Design loadHS 20
Structure length9,155 ft (2,790.4 m)
Longest span150 ft (45.7 m)
Deck width45 ft (13.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic66,061 (2021)
Projected traffic72,667 by 2041
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
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$35.7 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was I0020 over City St/Icg Rr/Ouachita built?

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

What condition is I0020 over City St/Icg Rr/Ouachita 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 May 2023.

How much traffic does I0020 over City St/Icg Rr/Ouachita carry?

About 66,061 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is I0020 over City St/Icg Rr/Ouachita?

The structure is 9,155 ft (2,790.4 m) long with a longest span of 150 ft (45.7 m) and a deck 45 ft wide.

Who owns I0020 over City St/Icg Rr/Ouachita?

It is owned by the State Highway Agency.