Ninth and Dixon over Dixon ST Viaduct at 9th
FairJuneau City and Borough, Alaska · Mile Point 0.1 · Structure no. 1750
- Built
- 1983
- 42 years old
- Condition
- Fair
- inspected June 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 72 ft
- 6 main spans
- Daily traffic
- 300
- 2018 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Ninth and Dixon over Dixon ST Viaduct at 9th is a prestressed concrete slab carrying Ninth and Dixon over Dixon ST Viaduct at 9th in Juneau City and Borough, Alaska. It was built in 1983, so it is 42 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 5 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 300 vehicles a day, roughly 1% of them trucks, projected to reach 360 by 2035. The structure is 72 ft (21.9 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ninth and Dixon over Dixon ST Viaduct at 9th built?
It was built in 1983, making it 42 years old in 2025.
What condition is Ninth and Dixon over Dixon ST Viaduct at 9th 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 June 2023.
How much traffic does Ninth and Dixon over Dixon ST Viaduct at 9th carry?
About 300 vehicles per day (2018 count), of which roughly 1% are trucks.
How long is Ninth and Dixon over Dixon ST Viaduct at 9th?
The structure is 72 ft (21.9 m) long with a longest span of 12 ft (3.7 m) and a deck 26 ft wide.
Who owns Ninth and Dixon over Dixon ST Viaduct at 9th?
It is owned by the City or Municipal Highway Agency.