I 70 Ml Wbnd over Mamm Creek
FairGarfield County, Colorado · 4.5MI E of Rifle · Structure no. F-06-AE
- Built
- 1977
- 48 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 71 ft
- 1 main span
- Daily traffic
- 10,500
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
I 70 Ml Wbnd over Mamm Creek is a prestressed concrete stringer/multi-beam or girder carrying I 70 Ml Wbnd over Mamm Creek in Garfield County, Colorado. It was built in 1977, so it is 48 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 10,500 vehicles a day, roughly 11% of them trucks, projected to reach 13,965 by 2040. The structure is 71 ft (21.6 m) long and 45 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 70 Ml Wbnd over Mamm Creek built?
It was built in 1977, making it 48 years old in 2025.
What condition is I 70 Ml Wbnd over Mamm 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 September 2024.
How much traffic does I 70 Ml Wbnd over Mamm Creek carry?
About 10,500 vehicles per day (2020 count), of which roughly 11% are trucks.
How long is I 70 Ml Wbnd over Mamm Creek?
The structure is 71 ft (21.6 m) long with a longest span of 69 ft (21 m) and a deck 45 ft wide.
Who owns I 70 Ml Wbnd over Mamm Creek?
It is owned by the State Highway Agency.