West Entrance Road over Madison River
PoorTeton County, Wyoming · 7.4 Miles East of West En · Structure no. 1570026P0000000
- Built
- 1958
- 67 years old
- Condition
- Poor
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 201 ft
- 3 main spans
- Daily traffic
- 2,525
- 2019 count
- Owner
- Federal
- National Park Service
About this bridge
West Entrance Road over Madison River is a steel continuous stringer/multi-beam or girder carrying West Entrance Road over Madison River in Teton County, Wyoming. It was built in 1958, so it is 67 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 3 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 2,525 vehicles a day, roughly 1% of them trucks, projected to reach 3,030 by 2039. The structure is 201 ft (61.3 m) long and 35 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 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 West Entrance Road over Madison River built?
It was built in 1958, making it 67 years old in 2025.
What condition is West Entrance Road over Madison River 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 West Entrance Road over Madison River carry?
About 2,525 vehicles per day (2019 count), of which roughly 1% are trucks.
How long is West Entrance Road over Madison River?
The structure is 201 ft (61.3 m) long with a longest span of 78 ft (23.8 m) and a deck 35 ft wide.
Who owns West Entrance Road over Madison River?
It is owned by the National Park Service.