US 61 S over Mccoy CR
FairSt. Charles County, Missouri · S 145 T 47 N R 1 E · Structure no. 2346
- Built
- 1973
- 52 years old, rebuilt 2008
- Condition
- Fair
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 159 ft
- 3 main spans
- Daily traffic
- 25,165
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US 61 S over Mccoy CR is a steel continuous stringer/multi-beam or girder carrying US 61 S over Mccoy CR in St. Charles County, Missouri. It was built in 1973 and reconstructed in 2008, so it is 52 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 6 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 25,165 vehicles a day, roughly 16% of them trucks, projected to reach 42,781 by 2044. The structure is 159 ft (48.5 m) long and 42 ft wide. 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 US 61 S over Mccoy CR built?
It was built in 1973, making it 52 years old in 2025. It was reconstructed in 2008.
What condition is US 61 S over Mccoy CR 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 September 2023.
How much traffic does US 61 S over Mccoy CR carry?
About 25,165 vehicles per day (2024 count), of which roughly 16% are trucks.
How long is US 61 S over Mccoy CR?
The structure is 159 ft (48.5 m) long with a longest span of 60 ft (18.3 m) and a deck 42 ft wide.
Who owns US 61 S over Mccoy CR?
It is owned by the State Highway Agency.