US Bridges

I0020 over Ramp I-20

Fair

Caddo Parish, Louisiana · I-20 Ramp to LA 1 · Structure no. 040904510118976

Built
1985
40 years old
Condition
Fair
inspected July 2023
Type
Girder and Floorbeam System
Steel Continuous
Length
3,561 ft
20 main spans
Daily traffic
87,567
2021 count
Owner
State
State Highway Agency

About this bridge

I0020 over Ramp I-20 is a steel continuous girder and floorbeam system carrying I0020 over Ramp I-20 in Caddo Parish, Louisiana. It was built in 1985, so it is 40 years old, younger 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 87,567 vehicles a day, roughly 19% of them trucks, projected to reach 96,323 by 2041. The structure is 3,561 ft (1,085.4 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI0020
CrossesRamp I-20
LocationI-20 Ramp to LA 1
RouteInterstate 20
CountyCaddo Parish
StateLouisiana
Coordinates32.50749, -93.73916
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 rating58 US tons
Inventory rating35.1 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans20 (+21 approach)
Design loadHS 20
Structure length3,561 ft (1,085.4 m)
Longest span170 ft (51.8 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic87,567 (2021)
Projected traffic96,323 by 2041
Trucks19%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I0020 over Ramp I-20 built?

It was built in 1985, making it 40 years old in 2025.

What condition is I0020 over Ramp I-20 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 July 2023.

How much traffic does I0020 over Ramp I-20 carry?

About 87,567 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is I0020 over Ramp I-20?

The structure is 3,561 ft (1,085.4 m) long with a longest span of 170 ft (51.8 m) and a deck 28 ft wide.

Who owns I0020 over Ramp I-20?

It is owned by the State Highway Agency.