Irr:steese Highway over Crooked Creek
PoorPosted for loadYukon-Koyukuk Census Area, Alaska · Mile Point 122.3 · Structure no. 0431
- Built
- 1957
- 68 years old
- Condition
- Poor
- inspected August 2024
- Type
- Truss - Thru
- Steel
- Length
- 81 ft
- 1 main span
- Daily traffic
- 110
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Irr:steese Highway over Crooked Creek is a steel truss - thru carrying Irr:steese Highway over Crooked Creek in Yukon-Koyukuk Census Area, Alaska. It was built in 1957, so it is 68 years old, older than the Alaska average of 35.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 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. Its operating status is: posted for load restriction.
It carries about 110 vehicles a day, roughly 13% of them trucks, projected to reach 150 by 2039. The structure is 81 ft (24.7 m) long and 16 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, 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 Irr:steese Highway over Crooked Creek built?
It was built in 1957, making it 68 years old in 2025.
What condition is Irr:steese Highway over Crooked Creek 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 August 2024.
How much traffic does Irr:steese Highway over Crooked Creek carry?
About 110 vehicles per day (2020 count), of which roughly 13% are trucks.
How long is Irr:steese Highway over Crooked Creek?
The structure is 81 ft (24.7 m) long with a longest span of 79 ft (24.1 m) and a deck 16 ft wide.
Who owns Irr:steese Highway over Crooked Creek?
It is owned by the State Highway Agency.