US 89 over Swift Creek
FairLincoln County, Wyoming · Afton-Thayne · Structure no. FCJ
- Built
- 1987
- 38 years old
- Condition
- Fair
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 45 ft
- 1 main span
- Daily traffic
- 12,155
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US 89 over Swift Creek is a steel stringer/multi-beam or girder carrying US 89 over Swift Creek in Lincoln County, Wyoming. It was built in 1987, so it is 38 years old, younger 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 12,155 vehicles a day, roughly 3% of them trucks, projected to reach 17,017 by 2043. The structure is 45 ft (13.7 m) long and 82 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 89 over Swift Creek built?
It was built in 1987, making it 38 years old in 2025.
What condition is US 89 over Swift 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 November 2024.
How much traffic does US 89 over Swift Creek carry?
About 12,155 vehicles per day (2024 count), of which roughly 3% are trucks.
How long is US 89 over Swift Creek?
The structure is 45 ft (13.7 m) long with a longest span of 43 ft (13.1 m) and a deck 82 ft wide.
Who owns US 89 over Swift Creek?
It is owned by the State Highway Agency.