US 61 S over Dry Br
FairSt. Charles County, Missouri · S 413 T 47 N R 1 E · Structure no. 4880
- Built
- 1961
- 64 years old, rebuilt 2018
- Condition
- Fair
- inspected November 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 48 ft
- 3 main spans
- Daily traffic
- 55,435
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US 61 S over Dry Br is a concrete continuous culvert carrying US 61 S over Dry Br in St. Charles County, Missouri. It was built in 1961 and reconstructed in 2018, so it is 64 years old, older than the Missouri average of 45.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 55,435 vehicles a day, roughly 15% of them trucks, projected to reach 94,240 by 2044. The structure is 48 ft (14.6 m) long. If it were closed, the detour would be 0.6 mi (1 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Culvert | 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 US 61 S over Dry Br built?
It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2018.
What condition is US 61 S over Dry Br in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.
How much traffic does US 61 S over Dry Br carry?
About 55,435 vehicles per day (2024 count), of which roughly 15% are trucks.
How long is US 61 S over Dry Br?
The structure is 48 ft (14.6 m) long with a longest span of 14 ft (4.3 m).
Who owns US 61 S over Dry Br?
It is owned by the State Highway Agency.