I 20 over Conway Slough
GoodRankin County, Mississippi · 0.4 MI E US 49 · Structure no. 110002006104820
- Built
- 1965
- 60 years old
- Condition
- Good
- inspected November 2024
- Type
- Culvert
- Concrete
- Length
- 34 ft
- 3 main spans
- Daily traffic
- 77,000
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 20 over Conway Slough is a concrete culvert carrying I 20 over Conway Slough in Rankin County, Mississippi. It was built in 1965, so it is 60 years old, older than the Mississippi average of 38.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 77,000 vehicles a day, roughly 13% of them trucks, projected to reach 85,000 by 2043. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 20 over Conway Slough built?
It was built in 1965, making it 60 years old in 2025.
What condition is I 20 over Conway Slough 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 November 2024.
How much traffic does I 20 over Conway Slough carry?
About 77,000 vehicles per day (2023 count), of which roughly 13% are trucks.
How long is I 20 over Conway Slough?
The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m).
Who owns I 20 over Conway Slough?
It is owned by the State Highway Agency.