I 70 Ml over Garrison Street
FairJefferson County, Colorado · In Arvada · Structure no. E-16-GU
- Built
- 1967
- 58 years old, rebuilt 1979
- Condition
- Fair
- inspected March 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 130 ft
- 3 main spans
- Daily traffic
- 118,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
I 70 Ml over Garrison Street is a concrete continuous tee beam carrying I 70 Ml over Garrison Street in Jefferson County, Colorado. It was built in 1967 and reconstructed in 1979, so it is 58 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 5 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 118,000 vehicles a day, roughly 10% of them trucks, projected to reach 140,420 by 2040. The structure is 130 ft (39.6 m) long and 157 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 70 Ml over Garrison Street built?
It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1979.
What condition is I 70 Ml over Garrison Street 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 March 2024.
How much traffic does I 70 Ml over Garrison Street carry?
About 118,000 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is I 70 Ml over Garrison Street?
The structure is 130 ft (39.6 m) long with a longest span of 67 ft (20.4 m) and a deck 157 ft wide.
Who owns I 70 Ml over Garrison Street?
It is owned by the State Highway Agency.