Birchwood Loop RD over North Birchwood Oc
FairAnchorage Municipality, Alaska · Mile Point 6.2 · Structure no. 1450
- Built
- 1983
- 42 years old
- Condition
- Fair
- inspected July 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 254 ft
- 2 main spans
- Daily traffic
- 4,350
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Birchwood Loop RD over North Birchwood Oc is a prestressed concrete tee beam carrying Birchwood Loop RD over North Birchwood Oc in Anchorage Municipality, 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 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 4,350 vehicles a day, roughly 5% of them trucks, projected to reach 5,050 by 2039. The structure is 254 ft (77.3 m) long and 65 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Birchwood Loop RD over North Birchwood Oc built?
It was built in 1983, making it 42 years old in 2025.
What condition is Birchwood Loop RD over North Birchwood Oc 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 2023.
How much traffic does Birchwood Loop RD over North Birchwood Oc carry?
About 4,350 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is Birchwood Loop RD over North Birchwood Oc?
The structure is 254 ft (77.3 m) long with a longest span of 130 ft (39.6 m) and a deck 65 ft wide.
Who owns Birchwood Loop RD over North Birchwood Oc?
It is owned by the State Highway Agency.