148th Ave SE over May Creek
PoorPosted for loadKing County, Washington · 0.8 MI N of SR-900 · Structure no. 079791000000000
- Built
- 1951
- 74 years old
- Condition
- Poor
- inspected June 2023
- Type
- Tee Beam
- Concrete
- Length
- 21 ft
- 1 main span
- Daily traffic
- 3,900
- 2019 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
148th Ave SE over May Creek is a concrete tee beam carrying 148th Ave SE over May Creek in King County, Washington. It was built in 1951, so it is 74 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. Its operating status is: posted for load restriction.
It carries about 3,900 vehicles a day, roughly 31% of them trucks, projected to reach 4,600 by 2039. The structure is 21 ft (6.4 m) long and 24 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 148th Ave SE over May Creek built?
It was built in 1951, making it 74 years old in 2025.
What condition is 148th Ave SE over May Creek 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 June 2023.
How much traffic does 148th Ave SE over May Creek carry?
About 3,900 vehicles per day (2019 count), of which roughly 31% are trucks.
How long is 148th Ave SE over May Creek?
The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m) and a deck 24 ft wide.
Who owns 148th Ave SE over May Creek?
It is owned by the City or Municipal Highway Agency.