South Entrance Roa over Thumb Creek
FairTeton County, Wyoming · 0.7 Mi. South of West Thu · Structure no. 1570029P0000000
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected September 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 209 ft
- 3 main spans
- Daily traffic
- 1,598
- 2019 count
- Owner
- Federal
- National Park Service
About this bridge
South Entrance Roa over Thumb Creek is a concrete continuous tee beam carrying South Entrance Roa over Thumb Creek in Teton County, Wyoming. It was built in 1972, so it is 53 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 5 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 1,598 vehicles a day, roughly 1% of them trucks, projected to reach 1,918 by 2039. The structure is 209 ft (63.7 m) long and 36 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 South Entrance Roa over Thumb Creek built?
It was built in 1972, making it 53 years old in 2025.
What condition is South Entrance Roa over Thumb 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 South Entrance Roa over Thumb Creek carry?
About 1,598 vehicles per day (2019 count), of which roughly 1% are trucks.
How long is South Entrance Roa over Thumb Creek?
The structure is 209 ft (63.7 m) long with a longest span of 85 ft (25.9 m) and a deck 36 ft wide.
Who owns South Entrance Roa over Thumb Creek?
It is owned by the National Park Service.