Wyo 789 over Muddy Creek
GoodCarbon County, Wyoming · Creston JCT - Colo Line · Structure no. CLM
- Built
- 1960
- 65 years old, rebuilt 1987
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 120 ft
- 3 main spans
- Daily traffic
- 1,595
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Wyo 789 over Muddy Creek is a steel continuous stringer/multi-beam or girder carrying Wyo 789 over Muddy Creek in Carbon County, Wyoming. It was built in 1960 and reconstructed in 1987, so it is 65 years old, older than the Wyoming average of 48.4 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 1,595 vehicles a day, roughly 14% of them trucks, projected to reach 2,233 by 2043. The structure is 120 ft (36.7 m) long and 43 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 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 Wyo 789 over Muddy Creek built?
It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1987.
What condition is Wyo 789 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 June 2024.
How much traffic does Wyo 789 over Muddy Creek carry?
About 1,595 vehicles per day (2024 count), of which roughly 14% are trucks.
How long is Wyo 789 over Muddy Creek?
The structure is 120 ft (36.7 m) long with a longest span of 45 ft (13.7 m) and a deck 43 ft wide.
Who owns Wyo 789 over Muddy Creek?
It is owned by the State Highway Agency.