County Road 43 over I 70 Ml
FairLincoln County, Colorado · Arriba Interchange · Structure no. G-23-AI
- Built
- 1974
- 51 years old
- Condition
- Fair
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 272 ft
- 2 main spans
- Daily traffic
- 989
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
County Road 43 over I 70 Ml is a prestressed concrete stringer/multi-beam or girder carrying County Road 43 over I 70 Ml in Lincoln County, Colorado. It was built in 1974, so it is 51 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 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 989 vehicles a day, projected to reach 1,256 by 2044. The structure is 272 ft (82.9 m) long and 40 ft wide. If it were closed, the detour would be 11.2 mi (18 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was County Road 43 over I 70 Ml built?
It was built in 1974, making it 51 years old in 2025.
What condition is County Road 43 over I 70 Ml 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 November 2023.
How much traffic does County Road 43 over I 70 Ml carry?
About 989 vehicles per day (2024 count).
How long is County Road 43 over I 70 Ml?
The structure is 272 ft (82.9 m) long with a longest span of 134 ft (40.8 m) and a deck 40 ft wide.
Who owns County Road 43 over I 70 Ml?
It is owned by the State Highway Agency.