US 278 over S.18th ST Extended
FairLafayette County, Mississippi · 0.2 MI W SR 7 · Structure no. 31000060360767A
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 155 ft
- 3 main spans
- Daily traffic
- 17,000
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 278 over S.18th ST Extended is a prestressed concrete stringer/multi-beam or girder carrying US 278 over S.18th ST Extended in Lafayette County, Mississippi. It was built in 1964, so it is 61 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 17,000 vehicles a day, roughly 4% of them trucks, projected to reach 17,000 by 2043. The structure is 155 ft (47.2 m) long and 42 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 278 over S.18th ST Extended built?
It was built in 1964, making it 61 years old in 2025.
What condition is US 278 over S.18th ST Extended 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 May 2023.
How much traffic does US 278 over S.18th ST Extended carry?
About 17,000 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is US 278 over S.18th ST Extended?
The structure is 155 ft (47.2 m) long with a longest span of 51 ft (15.5 m) and a deck 42 ft wide.
Who owns US 278 over S.18th ST Extended?
It is owned by the State Highway Agency.