SR 448 over Porter Bayou
FairBolivar County, Mississippi · 14.1 MI E SR 1 · Structure no. 310044800601410
- Built
- 1986
- 39 years old
- Condition
- Fair
- inspected December 2023
- Type
- Culvert
- Concrete
- Length
- 55 ft
- 2 main spans
- Daily traffic
- 420
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 448 over Porter Bayou is a concrete culvert carrying SR 448 over Porter Bayou in Bolivar County, Mississippi. It was built in 1986, so it is 39 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 420 vehicles a day, roughly 21% of them trucks, projected to reach 420 by 2043. The structure is 55 ft (16.8 m) long. If it were closed, the detour would be 29.8 mi (48 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 SR 448 over Porter Bayou built?
It was built in 1986, making it 39 years old in 2025.
What condition is SR 448 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 December 2023.
How much traffic does SR 448 over Porter Bayou carry?
About 420 vehicles per day (2023 count), of which roughly 21% are trucks.
How long is SR 448 over Porter Bayou?
The structure is 55 ft (16.8 m) long with a longest span of 52 ft (15.8 m).
Who owns SR 448 over Porter Bayou?
It is owned by the State Highway Agency.