County Road 323 over I 70 Ml
FairClear Creek County, Colorado · 10 MI E of Eisenhower Tun · Structure no. F-13-U
- Built
- 1971
- 54 years old
- Condition
- Fair
- inspected April 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 212 ft
- 2 main spans
- Daily traffic
- 2
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
County Road 323 over I 70 Ml is a prestressed concrete continuous box beam or girders - multiple carrying County Road 323 over I 70 Ml in Clear Creek County, Colorado. It was built in 1971, so it is 54 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 2 vehicles a day, roughly 8% of them trucks, projected to reach 3 by 2044. The structure is 212 ft (64.5 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was County Road 323 over I 70 Ml built?
It was built in 1971, making it 54 years old in 2025.
What condition is County Road 323 over I 70 Ml 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 April 2023.
How much traffic does County Road 323 over I 70 Ml carry?
About 2 vehicles per day (2024 count), of which roughly 8% are trucks.
How long is County Road 323 over I 70 Ml?
The structure is 212 ft (64.5 m) long with a longest span of 113 ft (34.4 m) and a deck 29 ft wide.
Who owns County Road 323 over I 70 Ml?
It is owned by the State Highway Agency.