Old Faithful Inter over Grand Loop Road
FairTeton County, Wyoming · 17.5 Mi. NW of West Thumb · Structure no. 1570012P0000000
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected September 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 150 ft
- 2 main spans
- Daily traffic
- 3,852
- 2019 count
- Owner
- Federal
- National Park Service
About this bridge
Old Faithful Inter over Grand Loop Road is a concrete continuous tee beam carrying Old Faithful Inter over Grand Loop Road in Teton County, Wyoming. It was built in 1969, so it is 56 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 3,852 vehicles a day, roughly 1% of them trucks, projected to reach 4,622 by 2039. The structure is 150 ft (45.6 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old Faithful Inter over Grand Loop Road built?
It was built in 1969, making it 56 years old in 2025.
What condition is Old Faithful Inter over Grand Loop Road 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 Old Faithful Inter over Grand Loop Road carry?
About 3,852 vehicles per day (2019 count), of which roughly 1% are trucks.
How long is Old Faithful Inter over Grand Loop Road?
The structure is 150 ft (45.6 m) long with a longest span of 81 ft (24.8 m) and a deck 37 ft wide.
Who owns Old Faithful Inter over Grand Loop Road?
It is owned by the National Park Service.