I 70 Ml Ebnd over County Road 173
FairArapahoe County, Colorado · 1.4 MI W of JCT 36 Byers · Structure no. F-19-AQ
- Built
- 1963
- 62 years old
- Condition
- Fair
- inspected May 2023
- Type
- Tee Beam
- Concrete
- Length
- 106 ft
- 3 main spans
- Daily traffic
- 7,500
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
I 70 Ml Ebnd over County Road 173 is a concrete tee beam carrying I 70 Ml Ebnd over County Road 173 in Arapahoe County, Colorado. It was built in 1963, so it is 62 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 7,500 vehicles a day, roughly 30% of them trucks, projected to reach 9,975 by 2040. The structure is 106 ft (32.3 m) long and 42 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 70 Ml Ebnd over County Road 173 built?
It was built in 1963, making it 62 years old in 2025.
What condition is I 70 Ml Ebnd over County Road 173 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 May 2023.
How much traffic does I 70 Ml Ebnd over County Road 173 carry?
About 7,500 vehicles per day (2020 count), of which roughly 30% are trucks.
How long is I 70 Ml Ebnd over County Road 173?
The structure is 106 ft (32.3 m) long with a longest span of 34 ft (10.4 m) and a deck 42 ft wide.
Who owns I 70 Ml Ebnd over County Road 173?
It is owned by the State Highway Agency.