Old Highway 61 over Porter Bayou
FairBolivar County, Mississippi · Sec 14 T20N R 6W B · Structure no. SA0600000000007
- Built
- 1988
- 37 years old
- Condition
- Fair
- inspected January 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 160 ft
- 4 main spans
- Daily traffic
- 300
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Old Highway 61 over Porter Bayou is a prestressed concrete stringer/multi-beam or girder carrying Old Highway 61 over Porter Bayou in Bolivar County, Mississippi. It was built in 1988, so it is 37 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 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 300 vehicles a day, roughly 8% of them trucks, projected to reach 450 by 2042. The structure is 160 ft (48.8 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old Highway 61 over Porter Bayou built?
It was built in 1988, making it 37 years old in 2025.
What condition is Old Highway 61 over Porter 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 2023.
How much traffic does Old Highway 61 over Porter Bayou carry?
About 300 vehicles per day (2022 count), of which roughly 8% are trucks.
How long is Old Highway 61 over Porter Bayou?
The structure is 160 ft (48.8 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.
Who owns Old Highway 61 over Porter Bayou?
It is owned by the County Highway Agency.