Courtney-Atherton over Mill CR
GoodPosted for loadJackson County, Missouri · S 13 T 50 N R 32 W · Structure no. 23564
- Built
- 1915
- 110 years old, rebuilt 1982
- Condition
- Good
- inspected February 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 61 ft
- 1 main span
- Daily traffic
- 750
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Courtney-Atherton over Mill CR is a prestressed concrete tee beam carrying Courtney-Atherton over Mill CR in Jackson County, Missouri. It was built in 1915 and reconstructed in 1982, so it is 110 years old, older 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. Its operating status is: posted for load restriction.
It carries about 750 vehicles a day, roughly 2% of them trucks, projected to reach 975 by 2044. The structure is 61 ft (18.6 m) long and 31 ft wide. If it were closed, the detour would be 0.6 mi (1 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. |
| 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 Courtney-Atherton over Mill CR built?
It was built in 1915, making it 110 years old in 2025. It was reconstructed in 1982.
What condition is Courtney-Atherton over Mill CR 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 February 2023.
How much traffic does Courtney-Atherton over Mill CR carry?
About 750 vehicles per day (2024 count), of which roughly 2% are trucks.
How long is Courtney-Atherton over Mill CR?
The structure is 61 ft (18.6 m) long with a longest span of 58 ft (17.7 m) and a deck 31 ft wide.
Who owns Courtney-Atherton over Mill CR?
It is owned by the County Highway Agency and maintained by the City or Municipal Highway Agency.