I0020 over 1-20 US 71 KCS RR
FairBossier Parish, Louisiana · 0.2 MI S of I-20/US 71 · Structure no. 040804510201407
- Built
- 1966
- 59 years old, rebuilt 1999
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 1,187 ft
- 21 main spans
- Daily traffic
- 15,642
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I0020 over 1-20 US 71 KCS RR is a steel stringer/multi-beam or girder carrying I0020 over 1-20 US 71 KCS RR in Bossier Parish, Louisiana. It was built in 1966 and reconstructed in 1999, so it is 59 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 15,642 vehicles a day, roughly 19% of them trucks, projected to reach 17,206 by 2041. The structure is 1,187 ft (361.8 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I0020 over 1-20 US 71 KCS RR built?
It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1999.
What condition is I0020 over 1-20 US 71 KCS RR 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 June 2023.
How much traffic does I0020 over 1-20 US 71 KCS RR carry?
About 15,642 vehicles per day (2021 count), of which roughly 19% are trucks.
How long is I0020 over 1-20 US 71 KCS RR?
The structure is 1,187 ft (361.8 m) long with a longest span of 83 ft (25.3 m) and a deck 28 ft wide.
Who owns I0020 over 1-20 US 71 KCS RR?
It is owned by the State Highway Agency.