Mill Wood DR over Spencer CR
GoodSt. Charles County, Missouri · S 9 T 46 N R 4 E · Structure no. 23084
- Built
- 1975
- 50 years old
- Condition
- Good
- inspected January 2024
- Type
- Culvert
- Concrete
- Length
- 25 ft
- 2 main spans
- Daily traffic
- 1,500
- 2024 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Mill Wood DR over Spencer CR is a concrete culvert carrying Mill Wood DR over Spencer CR in St. Charles County, Missouri. It was built in 1975, so it is 50 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.
It carries about 1,500 vehicles a day, roughly 5% of them trucks, projected to reach 2,325 by 2044. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 3.1 mi (5 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 |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mill Wood DR over Spencer CR built?
It was built in 1975, making it 50 years old in 2025.
What condition is Mill Wood DR over Spencer 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 January 2024.
How much traffic does Mill Wood DR over Spencer CR carry?
About 1,500 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is Mill Wood DR over Spencer CR?
The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).
Who owns Mill Wood DR over Spencer CR?
It is owned by the City or Municipal Highway Agency.