Or 237 (hwy 342) over Mill Creek
FairPosted for loadUnion County, Oregon · 6.2 Mi. N. Jct. or 203 · Structure no. 06998 342 01591
- Built
- 1946
- 79 years old
- Condition
- Fair
- inspected September 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 596
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Or 237 (hwy 342) over Mill Creek is a concrete continuous culvert carrying Or 237 (hwy 342) over Mill Creek in Union County, Oregon. It was built in 1946, so it is 79 years old, older than the Oregon average of 49.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for other load-capacity restriction.
It carries about 596 vehicles a day, roughly 16% of them trucks, projected to reach 700 by 2042. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 2.5 mi (4 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Or 237 (hwy 342) over Mill Creek built?
It was built in 1946, making it 79 years old in 2025.
What condition is Or 237 (hwy 342) over Mill Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.
How much traffic does Or 237 (hwy 342) over Mill Creek carry?
About 596 vehicles per day (2022 count), of which roughly 16% are trucks.
How long is Or 237 (hwy 342) over Mill Creek?
The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).
Who owns Or 237 (hwy 342) over Mill Creek?
It is owned by the State Highway Agency.