Porter Ave over Keegans Bayou
FairPosted for loadHarrison County, Mississippi · Sec 26 T 7S R 9W · Structure no. SA2400000000081
- Built
- 1950
- 75 years old
- Condition
- Fair
- inspected November 2024
- Type
- Slab
- Concrete Continuous
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 4,100
- 2024 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Porter Ave over Keegans Bayou is a concrete continuous slab carrying Porter Ave over Keegans Bayou in Harrison County, Mississippi. It was built in 1950, so it is 75 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. Its operating status is: posted for load restriction.
It carries about 4,100 vehicles a day, roughly 2% of them trucks, projected to reach 6,150 by 2044. The structure is 23 ft (7 m) long and 39 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Porter Ave over Keegans Bayou built?
It was built in 1950, making it 75 years old in 2025.
What condition is Porter Ave over Keegans 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 November 2024.
How much traffic does Porter Ave over Keegans Bayou carry?
About 4,100 vehicles per day (2024 count), of which roughly 2% are trucks.
How long is Porter Ave over Keegans Bayou?
The structure is 23 ft (7 m) long with a longest span of 11 ft (3.5 m) and a deck 39 ft wide.
Who owns Porter Ave over Keegans Bayou?
It is owned by the City or Municipal Highway Agency.