US 61 over Porters Bayou
FairBolivar County, Mississippi · At JCT US61 SR448 · Structure no. 210006100621300
- Built
- 1980
- 45 years old
- Condition
- Fair
- inspected January 2025
- Type
- Culvert
- Concrete
- Length
- 33 ft
- 2 main spans
- Daily traffic
- 10,000
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 61 over Porters Bayou is a concrete culvert carrying US 61 over Porters Bayou in Bolivar County, Mississippi. It was built in 1980, so it is 45 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 6 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 10,000 vehicles a day, roughly 12% of them trucks, projected to reach 12,000 by 2043. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 34.2 mi (55 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 61 over Porters Bayou built?
It was built in 1980, making it 45 years old in 2025.
What condition is US 61 over Porters Bayou 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 January 2025.
How much traffic does US 61 over Porters Bayou carry?
About 10,000 vehicles per day (2023 count), of which roughly 12% are trucks.
How long is US 61 over Porters Bayou?
The structure is 33 ft (10.1 m) long with a longest span of 15 ft (4.6 m).
Who owns US 61 over Porters Bayou?
It is owned by the State Highway Agency.