I 55 over Dye Branch
FairCopiah County, Mississippi · 0.6 MI N Lincoln Cl · Structure no. 11000550150492A
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 160 ft
- 5 main spans
- Daily traffic
- 10,500
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 55 over Dye Branch is a prestressed concrete stringer/multi-beam or girder carrying I 55 over Dye Branch in Copiah County, Mississippi. It was built in 1966, so it is 59 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 5 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 10,500 vehicles a day, roughly 26% of them trucks, projected to reach 10,500 by 2043. The structure is 160 ft (48.8 m) long and 40 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 55 over Dye Branch built?
It was built in 1966, making it 59 years old in 2025.
What condition is I 55 over Dye Branch 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 July 2023.
How much traffic does I 55 over Dye Branch carry?
About 10,500 vehicles per day (2023 count), of which roughly 26% are trucks.
How long is I 55 over Dye Branch?
The structure is 160 ft (48.8 m) long with a longest span of 40 ft (12.2 m) and a deck 40 ft wide.
Who owns I 55 over Dye Branch?
It is owned by the State Highway Agency.