Wyo 220 over Sweetwater River
FairNatrona County, Wyoming · Muddy Gap Jct-Wyo 487 JCT · Structure no. BUD
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 143 ft
- 3 main spans
- Daily traffic
- 1,983
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Wyo 220 over Sweetwater River is a steel continuous stringer/multi-beam or girder carrying Wyo 220 over Sweetwater River in Natrona County, Wyoming. It was built in 1970, so it is 55 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 1,983 vehicles a day, roughly 27% of them trucks, projected to reach 2,776 by 2043. The structure is 143 ft (43.6 m) long and 39 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Wyo 220 over Sweetwater River built?
It was built in 1970, making it 55 years old in 2025.
What condition is Wyo 220 over Sweetwater River 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 April 2023.
How much traffic does Wyo 220 over Sweetwater River carry?
About 1,983 vehicles per day (2024 count), of which roughly 27% are trucks.
How long is Wyo 220 over Sweetwater River?
The structure is 143 ft (43.6 m) long with a longest span of 56 ft (17.1 m) and a deck 39 ft wide.
Who owns Wyo 220 over Sweetwater River?
It is owned by the State Highway Agency.