Parks Highway over Tanana River at Nenana
FairYukon-Koyukuk Census Area, Alaska · Mile Point 270.7 · Structure no. 0202
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected July 2024
- Type
- Truss - Thru
- Steel
- Length
- 1,307 ft
- 2 main spans
- Daily traffic
- 1,710
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Parks Highway over Tanana River at Nenana is a steel truss - thru carrying Parks Highway over Tanana River at Nenana in Yukon-Koyukuk Census Area, Alaska. It was built in 1967, so it is 58 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 1,710 vehicles a day, roughly 21% of them trucks, projected to reach 2,650 by 2039. The structure is 1,307 ft (398.4 m) long and 36 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 | 8 Very Good | No problems noted. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Parks Highway over Tanana River at Nenana built?
It was built in 1967, making it 58 years old in 2025.
What condition is Parks Highway over Tanana River at Nenana 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 July 2024.
How much traffic does Parks Highway over Tanana River at Nenana carry?
About 1,710 vehicles per day (2020 count), of which roughly 21% are trucks.
How long is Parks Highway over Tanana River at Nenana?
The structure is 1,307 ft (398.4 m) long with a longest span of 500 ft (152.4 m) and a deck 36 ft wide.
Who owns Parks Highway over Tanana River at Nenana?
It is owned by the State Highway Agency.