I0020 over St. Louis & SW RR
PoorCaddo Parish, Louisiana · .2 MI East of LA 1 · Structure no. 040904510119331
- Built
- 1965
- 60 years old
- Condition
- Poor
- inspected July 2023
- Type
- Girder and Floorbeam System
- Steel Continuous
- Length
- 365 ft
- 3 main spans
- Daily traffic
- 84,672
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
I0020 over St. Louis & SW RR is a steel continuous girder and floorbeam system carrying I0020 over St. Louis & SW RR in Caddo Parish, Louisiana. It was built in 1965, so it is 60 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 84,672 vehicles a day, roughly 19% of them trucks, projected to reach 93,139 by 2038. The structure is 365 ft (111.3 m) long and 89 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
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.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I0020 over St. Louis & SW RR built?
It was built in 1965, making it 60 years old in 2025.
What condition is I0020 over St. Louis & SW RR 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 July 2023.
How much traffic does I0020 over St. Louis & SW RR carry?
About 84,672 vehicles per day (2018 count), of which roughly 19% are trucks.
How long is I0020 over St. Louis & SW RR?
The structure is 365 ft (111.3 m) long with a longest span of 130 ft (39.6 m) and a deck 89 ft wide.
Who owns I0020 over St. Louis & SW RR?
It is owned by the State Highway Agency.