SW Thornton RD over Bays Branch
GoodDeKalb County, Missouri · S 27 T 58 N R 33 W · Structure no. 22226
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 66 ft
- 1 main span
- Daily traffic
- 25
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
SW Thornton RD over Bays Branch is a steel stringer/multi-beam or girder carrying SW Thornton RD over Bays Branch in DeKalb County, Missouri. It was built in 1999, so it is 26 years old, younger than the Missouri average of 45.1 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 29 by 2044. The structure is 66 ft (20.1 m) long and 25 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SW Thornton RD over Bays Branch built?
It was built in 1999, making it 26 years old in 2025.
What condition is SW Thornton RD over Bays Branch 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 SW Thornton RD over Bays Branch carry?
About 25 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is SW Thornton RD over Bays Branch?
The structure is 66 ft (20.1 m) long with a longest span of 63 ft (19.2 m) and a deck 25 ft wide.
Who owns SW Thornton RD over Bays Branch?
It is owned by the County Highway Agency.