US Bridges

I0020 over LA 3105/AIRLINE Dr.

Fair

Bossier Parish, Louisiana · 0.8 MI N of LA 72 · Structure no. 040804510202811

Built
1967
58 years old
Condition
Fair
inspected November 2024
Type
Girder and Floorbeam System
Steel
Length
207 ft
3 main spans
Daily traffic
69,892
2021 count
Owner
State
State Highway Agency

About this bridge

I0020 over LA 3105/AIRLINE Dr. is a steel girder and floorbeam system carrying I0020 over LA 3105/AIRLINE Dr. in Bossier Parish, Louisiana. It was built in 1967, so it is 58 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 69,892 vehicles a day, roughly 19% of them trucks, projected to reach 76,881 by 2041. The structure is 207 ft (63.1 m) long and 33 ft wide.

Location

Open in Google Maps
CarriesI0020
CrossesLA 3105/AIRLINE Dr.
Location0.8 MI N of LA 72
RouteInterstate 20
CountyBossier Parish
StateLouisiana
Coordinates32.5254, -93.6994
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length207 ft (63.1 m)
Longest span91 ft (27.7 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69,892 (2021)
Projected traffic76,881 by 2041
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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$924,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I0020 over LA 3105/AIRLINE Dr. built?

It was built in 1967, making it 58 years old in 2025.

What condition is I0020 over LA 3105/AIRLINE Dr. 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 November 2024.

How much traffic does I0020 over LA 3105/AIRLINE Dr. carry?

About 69,892 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is I0020 over LA 3105/AIRLINE Dr.?

The structure is 207 ft (63.1 m) long with a longest span of 91 ft (27.7 m) and a deck 33 ft wide.

Who owns I0020 over LA 3105/AIRLINE Dr.?

It is owned by the State Highway Agency.