US Bridges

I0020 over On Ramp to I-20 Wbl

Poor

Caddo Parish, Louisiana · I-220 Ramps over I-20 · Structure no. 040904510111816

Built
1980
45 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,238 ft
3 main spans
Daily traffic
87,567
2021 count
Owner
State
State Highway Agency

About this bridge

I0020 over On Ramp to I-20 Wbl is a steel continuous stringer/multi-beam or girder carrying I0020 over On Ramp to I-20 Wbl in Caddo Parish, Louisiana. It was built in 1980, so it is 45 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 87,567 vehicles a day, roughly 19% of them trucks, projected to reach 96,323 by 2041. The structure is 1,238 ft (377.3 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0020
CrossesOn Ramp to I-20 Wbl
LocationI-220 Ramps over I-20
RouteInterstate 20
Coordinates32.45431, -93.843
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating34 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length1,238 ft (377.3 m)
Longest span438 ft (133.5 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
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 On Ramp to I-20 Wbl built?

It was built in 1980, making it 45 years old in 2025.

What condition is I0020 over On Ramp to I-20 Wbl in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

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

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

How long is I0020 over On Ramp to I-20 Wbl?

The structure is 1,238 ft (377.3 m) long with a longest span of 438 ft (133.5 m) and a deck 28 ft wide.

Who owns I0020 over On Ramp to I-20 Wbl?

It is owned by the State Highway Agency.