CO RD 511 over Alligator Bayou
FairLeflore County, Mississippi · SEC_25_T18N_R 1W B · Structure no. SA4200000000014
- Built
- 1976
- 49 years old
- Condition
- Fair
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 240 ft
- 6 main spans
- Daily traffic
- 1,200
- 2015 count
- Owner
- County
- County Highway Agency
About this bridge
CO RD 511 over Alligator Bayou is a prestressed concrete stringer/multi-beam or girder carrying CO RD 511 over Alligator Bayou in Leflore County, Mississippi. It was built in 1976, so it is 49 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 1,200 vehicles a day, roughly 8% of them trucks, projected to reach 1,800 by 2035. The structure is 240 ft (73.2 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was CO RD 511 over Alligator Bayou built?
It was built in 1976, making it 49 years old in 2025.
What condition is CO RD 511 over Alligator 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 2024.
How much traffic does CO RD 511 over Alligator Bayou carry?
About 1,200 vehicles per day (2015 count), of which roughly 8% are trucks.
How long is CO RD 511 over Alligator Bayou?
The structure is 240 ft (73.2 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.
Who owns CO RD 511 over Alligator Bayou?
It is owned by the County Highway Agency.