SR 555 over Mammoth Bayou
GoodAdams County, Mississippi · 2.6 MI N US 61 · Structure no. 310055500100260
- Built
- 1948
- 77 years old
- Condition
- Good
- inspected June 2024
- Type
- Culvert
- Concrete
- Length
- 34 ft
- 3 main spans
- Daily traffic
- 3,100
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 555 over Mammoth Bayou is a concrete culvert carrying SR 555 over Mammoth Bayou in Adams County, Mississippi. It was built in 1948, so it is 77 years old, older than the Mississippi average of 38.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 3,100 vehicles a day, roughly 11% of them trucks, projected to reach 3,100 by 2043. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 14.9 mi (24 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 555 over Mammoth Bayou built?
It was built in 1948, making it 77 years old in 2025.
What condition is SR 555 over Mammoth Bayou in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.
How much traffic does SR 555 over Mammoth Bayou carry?
About 3,100 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is SR 555 over Mammoth Bayou?
The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m).
Who owns SR 555 over Mammoth Bayou?
It is owned by the State Highway Agency.