Delmar Drive over SR 520
GoodKing County, Washington · 0.1 E JCT I-5 · Structure no. 0006861A0000000
- Built
- 1963
- 62 years old
- Condition
- Good
- inspected July 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 154 ft
- 2 main spans
- Daily traffic
- 5,000
- 2012 count
- Owner
- State
- State Highway Agency
About this bridge
Delmar Drive over SR 520 is a concrete continuous box beam or girders - multiple carrying Delmar Drive over SR 520 in King County, Washington. It was built in 1963, so it is 62 years old, older than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 5,000 vehicles a day, roughly 3% of them trucks, projected to reach 7,640 by 2036. The structure is 154 ft (46.9 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| 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 Delmar Drive over SR 520 built?
It was built in 1963, making it 62 years old in 2025.
What condition is Delmar Drive over SR 520 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.
How much traffic does Delmar Drive over SR 520 carry?
About 5,000 vehicles per day (2012 count), of which roughly 3% are trucks.
How long is Delmar Drive over SR 520?
The structure is 154 ft (46.9 m) long with a longest span of 105 ft (32 m) and a deck 50 ft wide.
Who owns Delmar Drive over SR 520?
It is owned by the State Highway Agency.