US 49 over Big Black River Relief
FairYazoo County, Mississippi · 0.5 MI N Madison Cl · Structure no. 21000490821842B
- Built
- 1977
- 48 years old
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 182 ft
- 4 main spans
- Daily traffic
- 6,000
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 49 over Big Black River Relief is a prestressed concrete stringer/multi-beam or girder carrying US 49 over Big Black River Relief in Yazoo County, Mississippi. It was built in 1977, so it is 48 years old, older 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 6,000 vehicles a day, roughly 14% of them trucks, projected to reach 7,500 by 2043. The structure is 182 ft (55.5 m) long and 41 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 49 over Big Black River Relief built?
It was built in 1977, making it 48 years old in 2025.
What condition is US 49 over Big Black River 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 April 2023.
How much traffic does US 49 over Big Black River Relief carry?
About 6,000 vehicles per day (2023 count), of which roughly 14% are trucks.
How long is US 49 over Big Black River Relief?
The structure is 182 ft (55.5 m) long with a longest span of 45 ft (13.7 m) and a deck 41 ft wide.
Who owns US 49 over Big Black River Relief?
It is owned by the State Highway Agency.