I155 over I155 / SR 78
GoodDyer County, Tennessee · North Dyersburg · Structure no. 23I01550026
- Built
- 1979
- 46 years old
- Condition
- Good
- inspected October 2023
- Type
- Box Beam or Girders - Single or Spread
- Concrete Continuous
- Length
- 226 ft
- 2 main spans
- Daily traffic
- 11,357
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I155 over I155 / SR 78 is a concrete continuous box beam or girders - single or spread carrying I155 over I155 / SR 78 in Dyer County, Tennessee. It was built in 1979, so it is 46 years old, younger than the Tennessee average of 47.4 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 11,357 vehicles a day, roughly 8% of them trucks, projected to reach 18,171 by 2042. The structure is 226 ft (68.9 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 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 I155 over I155 / SR 78 built?
It was built in 1979, making it 46 years old in 2025.
What condition is I155 over I155 / SR 78 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 October 2023.
How much traffic does I155 over I155 / SR 78 carry?
About 11,357 vehicles per day (2021 count), of which roughly 8% are trucks.
How long is I155 over I155 / SR 78?
The structure is 226 ft (68.9 m) long with a longest span of 120 ft (36.6 m) and a deck 51 ft wide.
Who owns I155 over I155 / SR 78?
It is owned by the State Highway Agency.