Grand Loop Road over Bridge Bay Inlet
PoorTeton County, Wyoming · 2.0 Mi. South of Lake JCT · Structure no. 1570017P0000000
- Built
- 1961
- 64 years old
- Condition
- Poor
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 236 ft
- 3 main spans
- Daily traffic
- 1,807
- 2019 count
- Owner
- Federal
- National Park Service
About this bridge
Grand Loop Road over Bridge Bay Inlet is a steel continuous stringer/multi-beam or girder carrying Grand Loop Road over Bridge Bay Inlet in Teton County, Wyoming. It was built in 1961, so it is 64 years old, older than the Wyoming average of 48.4 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 1,807 vehicles a day, roughly 1% of them trucks, projected to reach 2,168 by 2039. The structure is 236 ft (71.9 m) long and 36 ft wide. If it were closed, the detour would be 49.7 mi (80 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Grand Loop Road over Bridge Bay Inlet built?
It was built in 1961, making it 64 years old in 2025.
What condition is Grand Loop Road over Bridge Bay Inlet in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.
How much traffic does Grand Loop Road over Bridge Bay Inlet carry?
About 1,807 vehicles per day (2019 count), of which roughly 1% are trucks.
How long is Grand Loop Road over Bridge Bay Inlet?
The structure is 236 ft (71.9 m) long with a longest span of 91 ft (27.6 m) and a deck 36 ft wide.
Who owns Grand Loop Road over Bridge Bay Inlet?
It is owned by the National Park Service.