4th Ave S over Parking Garage
PoorKing County, Washington · 4th Ave S & Jackson ST · Structure no. 088301000000000
- Built
- 1910
- 115 years old, rebuilt 1981
- Condition
- Poor
- inspected July 2023
- Type
- Tee Beam
- Concrete
- Length
- 1,178 ft
- 42 main spans
- Daily traffic
- 27,000
- 2020 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
4th Ave S over Parking Garage is a concrete tee beam carrying 4th Ave S over Parking Garage in King County, Washington. It was built in 1910 and reconstructed in 1981, so it is 115 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 3 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 27,000 vehicles a day, roughly 5% of them trucks, projected to reach 30,000 by 2043. The structure is 1,178 ft (359.1 m) long and 45 ft wide.
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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| 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 4th Ave S over Parking Garage built?
It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1981.
What condition is 4th Ave S over Parking Garage 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 July 2023.
How much traffic does 4th Ave S over Parking Garage carry?
About 27,000 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is 4th Ave S over Parking Garage?
The structure is 1,178 ft (359.1 m) long with a longest span of 35 ft (10.7 m) and a deck 45 ft wide.
Who owns 4th Ave S over Parking Garage?
It is owned by the City or Municipal Highway Agency.