NE 70th-NE 71st ST over I-5
FairKing County, Washington · 2.6 N JCT SR 520 · Structure no. 0006911A0000000
- Built
- 1962
- 63 years old
- Condition
- Fair
- inspected May 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 330 ft
- 5 main spans
- Daily traffic
- 8,682
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
NE 70th-NE 71st ST over I-5 is a concrete continuous box beam or girders - multiple carrying NE 70th-NE 71st ST over I-5 in King County, Washington. It was built in 1962, so it is 63 years old, older than the Washington average of 49.8 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 8,682 vehicles a day, roughly 5% of them trucks, projected to reach 12,404 by 2041. The structure is 330 ft (100.6 m) long and 56 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NE 70th-NE 71st ST over I-5 built?
It was built in 1962, making it 63 years old in 2025.
What condition is NE 70th-NE 71st ST over I-5 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 May 2023.
How much traffic does NE 70th-NE 71st ST over I-5 carry?
About 8,682 vehicles per day (2021 count), of which roughly 5% are trucks.
How long is NE 70th-NE 71st ST over I-5?
The structure is 330 ft (100.6 m) long with a longest span of 77 ft (23.5 m) and a deck 56 ft wide.
Who owns NE 70th-NE 71st ST over I-5?
It is owned by the State Highway Agency.