I 25 Ml over County Line Road
FairArapahoe County, Colorado · .85 MI N of JCT I-25 & · Structure no. F-17-DK
- Built
- 1958
- 67 years old, rebuilt 1983
- Condition
- Fair
- inspected February 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 181 ft
- 4 main spans
- Daily traffic
- 171,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
I 25 Ml over County Line Road is a concrete continuous tee beam carrying I 25 Ml over County Line Road in Arapahoe County, Colorado. It was built in 1958 and reconstructed in 1983, so it is 67 years old, older than the Colorado average of 42.2 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 171,000 vehicles a day, roughly 7% of them trucks, projected to reach 232,560 by 2040. The structure is 181 ft (55.2 m) long and 155 ft wide.
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 25 Ml over County Line Road built?
It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1983.
What condition is I 25 Ml over County Line Road 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 February 2024.
How much traffic does I 25 Ml over County Line Road carry?
About 171,000 vehicles per day (2020 count), of which roughly 7% are trucks.
How long is I 25 Ml over County Line Road?
The structure is 181 ft (55.2 m) long with a longest span of 52 ft (15.8 m) and a deck 155 ft wide.
Who owns I 25 Ml over County Line Road?
It is owned by the State Highway Agency.