US 30 over ST Marys Creek
FairCarbon County, Wyoming · Walcott Jt - Medicine Bow · Structure no. CIP
- Built
- 1950
- 75 years old
- Condition
- Fair
- inspected June 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 60 ft
- 4 main spans
- Daily traffic
- 657
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US 30 over ST Marys Creek is a concrete continuous culvert carrying US 30 over ST Marys Creek in Carbon County, Wyoming. It was built in 1950, so it is 75 years old, older than the Wyoming average of 48.4 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 657 vehicles a day, roughly 13% of them trucks, projected to reach 920 by 2043. The structure is 60 ft (18.2 m) long and 77 ft wide. If it were closed, the detour would be 14.3 mi (23 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 30 over ST Marys Creek built?
It was built in 1950, making it 75 years old in 2025.
What condition is US 30 over ST Marys 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 June 2024.
How much traffic does US 30 over ST Marys Creek carry?
About 657 vehicles per day (2024 count), of which roughly 13% are trucks.
How long is US 30 over ST Marys Creek?
The structure is 60 ft (18.2 m) long with a longest span of 10 ft (3 m) and a deck 77 ft wide.
Who owns US 30 over ST Marys Creek?
It is owned by the State Highway Agency.