Rmp to EB I70/I76 over I 70 Ml SH 121 R
FairJefferson County, Colorado · In Arvada · Structure no. E-16-JZ
- Built
- 1985
- 40 years old
- Condition
- Fair
- inspected July 2023
- Type
- Box Beam or Girders - Multiple
- Steel Continuous
- Length
- 765 ft
- 5 main spans
- Daily traffic
- 38,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Rmp to EB I70/I76 over I 70 Ml SH 121 R is a steel continuous box beam or girders - multiple carrying Rmp to EB I70/I76 over I 70 Ml SH 121 R in Jefferson County, Colorado. It was built in 1985, so it is 40 years old, younger 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 38,000 vehicles a day, roughly 11% of them trucks, projected to reach 50,160 by 2040. The structure is 765 ft (233.2 m) long and 48 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Rmp to EB I70/I76 over I 70 Ml SH 121 R built?
It was built in 1985, making it 40 years old in 2025.
What condition is Rmp to EB I70/I76 over I 70 Ml SH 121 R 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 July 2023.
How much traffic does Rmp to EB I70/I76 over I 70 Ml SH 121 R carry?
About 38,000 vehicles per day (2020 count), of which roughly 11% are trucks.
How long is Rmp to EB I70/I76 over I 70 Ml SH 121 R?
The structure is 765 ft (233.2 m) long with a longest span of 184 ft (56.1 m) and a deck 48 ft wide.
Who owns Rmp to EB I70/I76 over I 70 Ml SH 121 R?
It is owned by the State Highway Agency.