I40 over SR 139
GoodSevier County, Tennessee · 1 Mile from Knox Co. Ln. · Structure no. 78I00400005
- Built
- 1975
- 50 years old
- Condition
- Good
- inspected January 2025
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete
- Length
- 225 ft
- 3 main spans
- Daily traffic
- 84,952
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I40 over SR 139 is a prestressed concrete box beam or girders - single or spread carrying I40 over SR 139 in Sevier County, Tennessee. It was built in 1975, so it is 50 years old, older 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 84,952 vehicles a day, roughly 6% of them trucks, projected to reach 107,728 by 2041. The structure is 225 ft (68.6 m) long and 62 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 I40 over SR 139 built?
It was built in 1975, making it 50 years old in 2025.
What condition is I40 over SR 139 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 January 2025.
How much traffic does I40 over SR 139 carry?
About 84,952 vehicles per day (2021 count), of which roughly 6% are trucks.
How long is I40 over SR 139?
The structure is 225 ft (68.6 m) long with a longest span of 85 ft (25.9 m) and a deck 62 ft wide.
Who owns I40 over SR 139?
It is owned by the State Highway Agency.