S Boeing Access RD over Airport Way Bar Ramp
PoorKing County, Washington · 0.2 W E Marginal Wy · Structure no. 080018000000000
- Built
- 1952
- 73 years old
- Condition
- Poor
- inspected April 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 182 ft
- 4 main spans
- Daily traffic
- 40,000
- 2019 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
S Boeing Access RD over Airport Way Bar Ramp is a concrete continuous tee beam carrying S Boeing Access RD over Airport Way Bar Ramp in King County, Washington. It was built in 1952, so it is 73 years old, older than the Washington average of 49.8 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 40,000 vehicles a day, roughly 12% of them trucks, projected to reach 43,000 by 2040. The structure is 182 ft (55.5 m) long and 66 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 4 Poor | Advanced section loss, deterioration, 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 S Boeing Access RD over Airport Way Bar Ramp built?
It was built in 1952, making it 73 years old in 2025.
What condition is S Boeing Access RD over Airport Way Bar Ramp 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 April 2023.
How much traffic does S Boeing Access RD over Airport Way Bar Ramp carry?
About 40,000 vehicles per day (2019 count), of which roughly 12% are trucks.
How long is S Boeing Access RD over Airport Way Bar Ramp?
The structure is 182 ft (55.5 m) long with a longest span of 52 ft (15.8 m) and a deck 66 ft wide.
Who owns S Boeing Access RD over Airport Way Bar Ramp?
It is owned by the City or Municipal Highway Agency.