SR299 over I-40
GoodRoane County, Tennessee · .2 M W Loudon CO LN · Structure no. 73I00400039
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected September 2024
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 312 ft
- 4 main spans
- Daily traffic
- 1,792
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
SR299 over I-40 is a prestressed concrete continuous box beam or girders - single or spread carrying SR299 over I-40 in Roane County, Tennessee. It was built in 1989, so it is 36 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 1,792 vehicles a day, roughly 4% of them trucks, projected to reach 2,576 by 2040. The structure is 312 ft (95.1 m) long and 40 ft wide. If it were closed, the detour would be 14.9 mi (24 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 SR299 over I-40 built?
It was built in 1989, making it 36 years old in 2025.
What condition is SR299 over I-40 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 SR299 over I-40 carry?
About 1,792 vehicles per day (2021 count), of which roughly 4% are trucks.
How long is SR299 over I-40?
The structure is 312 ft (95.1 m) long with a longest span of 100 ft (30.5 m) and a deck 40 ft wide.
Who owns SR299 over I-40?
It is owned by the State Highway Agency.