IRR - US 212 over Muddy Creek
GoodBig Horn County, Montana · 5M W Lame Deer · Structure no. P00037036+07611
- Built
- 1974
- 51 years old
- Condition
- Good
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 94 ft
- 2 main spans
- Daily traffic
- 2,811
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
IRR - US 212 over Muddy Creek is a prestressed concrete stringer/multi-beam or girder carrying IRR - US 212 over Muddy Creek in Big Horn County, Montana. It was built in 1974, so it is 51 years old, older than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 2,811 vehicles a day, roughly 26% of them trucks, projected to reach 3,050 by 2043. The structure is 94 ft (28.7 m) long and 46 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR - US 212 over Muddy Creek built?
It was built in 1974, making it 51 years old in 2025.
What condition is IRR - US 212 over Muddy Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.
How much traffic does IRR - US 212 over Muddy Creek carry?
About 2,811 vehicles per day (2023 count), of which roughly 26% are trucks.
How long is IRR - US 212 over Muddy Creek?
The structure is 94 ft (28.7 m) long with a longest span of 46 ft (14 m) and a deck 46 ft wide.
Who owns IRR - US 212 over Muddy Creek?
It is owned by the State Highway Agency.