Grand Loop Road over Nez Perce Creek
FairTeton County, Wyoming · 6.5 Mi. South of Madison · Structure no. 1570010P0000000
- Built
- 1935
- 90 years old, rebuilt 1997
- Condition
- Fair
- inspected September 2024
- Type
- Slab
- Concrete Continuous
- Length
- 78 ft
- 3 main spans
- Daily traffic
- 1,807
- 2019 count
- Owner
- Federal
- National Park Service
About this bridge
Grand Loop Road over Nez Perce Creek is a concrete continuous slab carrying Grand Loop Road over Nez Perce Creek in Teton County, Wyoming. It was built in 1935 and reconstructed in 1997, so it is 90 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 1,807 vehicles a day, roughly 1% of them trucks, projected to reach 2,168 by 2039. The structure is 78 ft (23.9 m) long and 33 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Grand Loop Road over Nez Perce Creek built?
It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1997.
What condition is Grand Loop Road over Nez Perce 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 Grand Loop Road over Nez Perce Creek carry?
About 1,807 vehicles per day (2019 count), of which roughly 1% are trucks.
How long is Grand Loop Road over Nez Perce Creek?
The structure is 78 ft (23.9 m) long with a longest span of 26 ft (8 m) and a deck 33 ft wide.
Who owns Grand Loop Road over Nez Perce Creek?
It is owned by the National Park Service.