Wyo 789 over Muddy Creek
GoodCarbon County, Wyoming · Creston JCT - Colo Line · Structure no. CLO
- Built
- 1940
- 85 years old
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 151 ft
- 3 main spans
- Daily traffic
- 1,817
- 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 1940, so it is 85 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 1,817 vehicles a day, roughly 18% of them trucks, projected to reach 2,544 by 2043. The structure is 151 ft (46 m) long and 33 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Wyo 789 over Muddy Creek built?
It was built in 1940, making it 85 years old in 2025.
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 1,817 vehicles per day (2024 count), of which roughly 18% are trucks.
How long is Wyo 789 over Muddy Creek?
The structure is 151 ft (46 m) long with a longest span of 56 ft (17.2 m) and a deck 33 ft wide.
Who owns Wyo 789 over Muddy Creek?
It is owned by the State Highway Agency.