US 40 Ml over Big Spring Creek
FairCheyenne County, Colorado · 4.1 MI NE of JCT US 287 S · Structure no. I-26-A
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected February 2025
- Type
- Tee Beam
- Concrete
- Length
- 81 ft
- 3 main spans
- Daily traffic
- 1,200
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
US 40 Ml over Big Spring Creek is a concrete tee beam carrying US 40 Ml over Big Spring Creek in Cheyenne 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 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 1,200 vehicles a day, roughly 24% of them trucks, projected to reach 1,548 by 2040. The structure is 81 ft (24.8 m) long and 38 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 40 Ml over Big Spring Creek built?
It was built in 1968, making it 57 years old in 2025.
What condition is US 40 Ml over Big Spring Creek 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 February 2025.
How much traffic does US 40 Ml over Big Spring Creek carry?
About 1,200 vehicles per day (2020 count), of which roughly 24% are trucks.
How long is US 40 Ml over Big Spring Creek?
The structure is 81 ft (24.8 m) long with a longest span of 26 ft (7.9 m) and a deck 38 ft wide.
Who owns US 40 Ml over Big Spring Creek?
It is owned by the State Highway Agency.