Richardson Highway over Gunn Creek
PoorCounty 066, Alaska · Mile Point 199.5 · Structure no. 0578
- Built
- 1954
- 71 years old
- Condition
- Poor
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 81 ft
- 1 main span
- Daily traffic
- 200
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Richardson Highway over Gunn Creek is a steel stringer/multi-beam or girder carrying Richardson Highway over Gunn Creek in County 066, Alaska. It was built in 1954, so it is 71 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.
It carries about 200 vehicles a day, roughly 33% of them trucks, projected to reach 240 by 2039. The structure is 81 ft (24.8 m) long and 25 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Richardson Highway over Gunn Creek built?
It was built in 1954, making it 71 years old in 2025.
What condition is Richardson Highway over Gunn 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 July 2023.
How much traffic does Richardson Highway over Gunn Creek carry?
About 200 vehicles per day (2020 count), of which roughly 33% are trucks.
How long is Richardson Highway over Gunn Creek?
The structure is 81 ft (24.8 m) long with a longest span of 79 ft (24.2 m) and a deck 25 ft wide.
Who owns Richardson Highway over Gunn Creek?
It is owned by the State Highway Agency.