US Bridges

I0020 over Linwood Ave I-49 Ramp

Good

Caddo Parish, Louisiana · I-20 over I-49 Ramp · Structure no. 040904510117627

Built
1993
32 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Steel Continuous
Length
1,419 ft
2 main spans
Daily traffic
87,567
2021 count
Owner
State
State Highway Agency

About this bridge

I0020 over Linwood Ave I-49 Ramp is a steel continuous box beam or girders - multiple carrying I0020 over Linwood Ave I-49 Ramp in Caddo Parish, Louisiana. It was built in 1993, so it is 32 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 87,567 vehicles a day, roughly 19% of them trucks, projected to reach 96,323 by 2041. The structure is 1,419 ft (432.5 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI0020
CrossesLinwood Ave I-49 Ramp
LocationI-20 over I-49 Ramp
RouteInterstate 20
CountyCaddo Parish
StateLouisiana
Coordinates32.49533, -93.76206
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating40 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+8 approach)
Design loadHS 20
Structure length1,419 ft (432.5 m)
Longest span175 ft (53.3 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deck18 ft (5.5 m)

Traffic and service

Average daily traffic87,567 (2021)
Projected traffic96,323 by 2041
Trucks19%
Lanes on structure1
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
Detour if closed1.9 mi (3 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I0020 over Linwood Ave I-49 Ramp built?

It was built in 1993, making it 32 years old in 2025.

What condition is I0020 over Linwood Ave I-49 Ramp in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does I0020 over Linwood Ave I-49 Ramp carry?

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

How long is I0020 over Linwood Ave I-49 Ramp?

The structure is 1,419 ft (432.5 m) long with a longest span of 175 ft (53.3 m) and a deck 29 ft wide.

Who owns I0020 over Linwood Ave I-49 Ramp?

It is owned by the State Highway Agency.