Ramp to SH 121 Ml over Clear Creek R
GoodJefferson County, Colorado · I70 WB to SH121 · Structure no. E-16-KD
- Built
- 1980
- 45 years old
- Condition
- Good
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 176 ft
- 2 main spans
- Daily traffic
- 92,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Ramp to SH 121 Ml over Clear Creek R is a steel continuous stringer/multi-beam or girder carrying Ramp to SH 121 Ml over Clear Creek R in Jefferson County, Colorado. It was built in 1980, so it is 45 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 92,000 vehicles a day, roughly 6% of them trucks, projected to reach 111,320 by 2040. The structure is 176 ft (53.6 m) long and 48 ft wide. If it were closed, the detour would be 0.6 mi (1 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 |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ramp to SH 121 Ml over Clear Creek R built?
It was built in 1980, making it 45 years old in 2025.
What condition is Ramp to SH 121 Ml over Clear Creek R 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 March 2024.
How much traffic does Ramp to SH 121 Ml over Clear Creek R carry?
About 92,000 vehicles per day (2020 count), of which roughly 6% are trucks.
How long is Ramp to SH 121 Ml over Clear Creek R?
The structure is 176 ft (53.6 m) long with a longest span of 86 ft (26.2 m) and a deck 48 ft wide.
Who owns Ramp to SH 121 Ml over Clear Creek R?
It is owned by the State Highway Agency.