Richardson Highway over Sheep Creek
FairCounty 063, Alaska · Mile Point 22.5 · Structure no. 0559
- Built
- 1961
- 64 years old, rebuilt 1985
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 193 ft
- 1 main span
- Daily traffic
- 810
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Richardson Highway over Sheep Creek is a steel stringer/multi-beam or girder carrying Richardson Highway over Sheep Creek in County 063, Alaska. It was built in 1961 and reconstructed in 1985, so it is 64 years old, older than the Alaska average of 35.9 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 810 vehicles a day, roughly 24% of them trucks, projected to reach 1,740 by 2039. The structure is 193 ft (58.8 m) long and 37 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 Richardson Highway over Sheep Creek built?
It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1985.
What condition is Richardson Highway over Sheep 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 August 2023.
How much traffic does Richardson Highway over Sheep Creek carry?
About 810 vehicles per day (2020 count), of which roughly 24% are trucks.
How long is Richardson Highway over Sheep Creek?
The structure is 193 ft (58.8 m) long with a longest span of 130 ft (39.6 m) and a deck 37 ft wide.
Who owns Richardson Highway over Sheep Creek?
It is owned by the State Highway Agency.