SR 471 over I 20
GoodRankin County, Mississippi · SR 471 over I 20 · Structure no. 310047106100060
- Built
- 2016
- 9 years old
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 378 ft
- 2 main spans
- Daily traffic
- 15,000
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 471 over I 20 is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 471 over I 20 in Rankin County, Mississippi. It was built in 2016, so it is 9 years old, younger 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 15,000 vehicles a day, roughly 11% of them trucks, projected to reach 15,000 by 2043. The structure is 378 ft (115.3 m) long and 83 ft wide. If it were closed, the detour would be 11.8 mi (19 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 |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 471 over I 20 built?
It was built in 2016, making it 9 years old in 2025.
What condition is SR 471 over I 20 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 October 2024.
How much traffic does SR 471 over I 20 carry?
About 15,000 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is SR 471 over I 20?
The structure is 378 ft (115.3 m) long with a longest span of 102 ft (31.1 m) and a deck 83 ft wide.
Who owns SR 471 over I 20?
It is owned by the State Highway Agency.