I 70 Ml Wbnd over West 20th Ave
PoorJefferson County, Colorado · 2 MI W of JCT SH 58 · Structure no. F-16-HK
- Built
- 1968
- 57 years old
- Condition
- Poor
- inspected January 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 143 ft
- 3 main spans
- Daily traffic
- 45,500
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
I 70 Ml Wbnd over West 20th Ave is a concrete continuous tee beam carrying I 70 Ml Wbnd over West 20th Ave in Jefferson County, Colorado. It was built in 1968, so it is 57 years old, older than the Colorado average of 42.2 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 45,500 vehicles a day, roughly 8% of them trucks, projected to reach 58,240 by 2040. The structure is 143 ft (43.6 m) long and 54 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 70 Ml Wbnd over West 20th Ave built?
It was built in 1968, making it 57 years old in 2025.
What condition is I 70 Ml Wbnd over West 20th Ave in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.
How much traffic does I 70 Ml Wbnd over West 20th Ave carry?
About 45,500 vehicles per day (2020 count), of which roughly 8% are trucks.
How long is I 70 Ml Wbnd over West 20th Ave?
The structure is 143 ft (43.6 m) long with a longest span of 66 ft (20 m) and a deck 54 ft wide.
Who owns I 70 Ml Wbnd over West 20th Ave?
It is owned by the State Highway Agency.