174th Ave over Johnson Creek
PoorPosted for loadMultnomah County, Oregon · 022 MI S FAP 24 · Structure no. 25T16 000 00223
- Built
- 1950
- 75 years old
- Condition
- Poor
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 105 ft
- 2 main spans
- Daily traffic
- 9,838
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
174th Ave over Johnson Creek is a steel continuous stringer/multi-beam or girder carrying 174th Ave over Johnson Creek in Multnomah County, Oregon. It was built in 1950, so it is 75 years old, older than the Oregon average of 49.9 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 9,838 vehicles a day, roughly 10% of them trucks, projected to reach 10,850 by 2025. The structure is 105 ft (32 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 174th Ave over Johnson Creek built?
It was built in 1950, making it 75 years old in 2025.
What condition is 174th Ave over Johnson 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 July 2024.
How much traffic does 174th Ave over Johnson Creek carry?
About 9,838 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is 174th Ave over Johnson Creek?
The structure is 105 ft (32 m) long with a longest span of 29 ft (8.8 m) and a deck 31 ft wide.
Who owns 174th Ave over Johnson Creek?
It is owned by the County Highway Agency.