US 138 Ml over Iliff Drain Ditch
GoodLogan County, Colorado · 4 MI N of JCT SH 113 · Structure no. A-24-AN
- Built
- 1978
- 47 years old
- Condition
- Good
- inspected February 2025
- Type
- Culvert
- Concrete
- Length
- 30 ft
- 2 main spans
- Daily traffic
- 690
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
US 138 Ml over Iliff Drain Ditch is a concrete culvert carrying US 138 Ml over Iliff Drain Ditch in Logan County, Colorado. It was built in 1978, so it is 47 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 690 vehicles a day, roughly 16% of them trucks, projected to reach 800 by 2040. The structure is 30 ft (9.1 m) long and 57 ft wide. 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 | 7 Good | Some minor problems. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 138 Ml over Iliff Drain Ditch built?
It was built in 1978, making it 47 years old in 2025.
What condition is US 138 Ml over Iliff Drain 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 February 2025.
How much traffic does US 138 Ml over Iliff Drain Ditch carry?
About 690 vehicles per day (2020 count), of which roughly 16% are trucks.
How long is US 138 Ml over Iliff Drain Ditch?
The structure is 30 ft (9.1 m) long with a longest span of 13 ft (4 m) and a deck 57 ft wide.
Who owns US 138 Ml over Iliff Drain Ditch?
It is owned by the State Highway Agency.