US 6 Ml over South Platte Ditch
GoodWashington County, Colorado · 16.2 MI No of JCT I-76 · Structure no. C-23-K
- Built
- 1926
- 99 years old, rebuilt 1942
- Condition
- Good
- inspected January 2024
- Type
- Culvert
- Concrete
- Length
- 23 ft
- 1 main span
- Daily traffic
- 1,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
US 6 Ml over South Platte Ditch is a concrete culvert carrying US 6 Ml over South Platte Ditch in Washington County, Colorado. It was built in 1926 and reconstructed in 1942, so it is 99 years old, older than the Colorado average of 42.2 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 1,000 vehicles a day, roughly 17% of them trucks, projected to reach 1,250 by 2040. The structure is 23 ft (6.9 m) long and 46 ft wide. If it were closed, the detour would be 8.7 mi (14 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 | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 6 Ml over South Platte Ditch built?
It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1942.
What condition is US 6 Ml over South Platte Ditch 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 US 6 Ml over South Platte Ditch carry?
About 1,000 vehicles per day (2020 count), of which roughly 17% are trucks.
How long is US 6 Ml over South Platte Ditch?
The structure is 23 ft (6.9 m) long with a longest span of 23 ft (6.9 m) and a deck 46 ft wide.
Who owns US 6 Ml over South Platte Ditch?
It is owned by the State Highway Agency.