I 20 over Big Black Relief
FairWarren County, Mississippi · 0.4 MI W Hinds Cl · Structure no. 11000200750173A
- Built
- 1992
- 33 years old
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 442 ft
- 11 main spans
- Daily traffic
- 18,500
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 20 over Big Black Relief is a prestressed concrete continuous stringer/multi-beam or girder carrying I 20 over Big Black Relief in Warren County, Mississippi. It was built in 1992, so it is 33 years old, younger than the Mississippi average of 38.9 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 18,500 vehicles a day, roughly 36% of them trucks, projected to reach 22,000 by 2043. The structure is 442 ft (134.7 m) long and 45 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 20 over Big Black Relief built?
It was built in 1992, making it 33 years old in 2025.
What condition is I 20 over Big Black Relief 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 March 2023.
How much traffic does I 20 over Big Black Relief carry?
About 18,500 vehicles per day (2023 count), of which roughly 36% are trucks.
How long is I 20 over Big Black Relief?
The structure is 442 ft (134.7 m) long with a longest span of 40 ft (12.2 m) and a deck 45 ft wide.
Who owns I 20 over Big Black Relief?
It is owned by the State Highway Agency.