SR 178 over I 22
GoodMarshall County, Mississippi · SR 178 over I 22 · Structure no. 310017804704010
- Built
- 1992
- 33 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 377 ft
- 4 main spans
- Daily traffic
- 1,600
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 178 over I 22 is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 178 over I 22 in Marshall County, Mississippi. It was built in 1992, so it is 33 years old, younger 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 1,600 vehicles a day, roughly 11% of them trucks, projected to reach 1,600 by 2043. The structure is 377 ft (114.9 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 178 over I 22 built?
It was built in 1992, making it 33 years old in 2025.
What condition is SR 178 over I 22 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 September 2024.
How much traffic does SR 178 over I 22 carry?
About 1,600 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is SR 178 over I 22?
The structure is 377 ft (114.9 m) long with a longest span of 105 ft (32 m) and a deck 33 ft wide.
Who owns SR 178 over I 22?
It is owned by the State Highway Agency.