Northrup Road over Mckay Creek
GoodWashington County, Oregon · 006 MI W Dixie Mountain · Structure no. 18840 140900030
- Built
- 2000
- 25 years old
- Condition
- Good
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 89 ft
- 1 main span
- Daily traffic
- 231
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Northrup Road over Mckay Creek is a prestressed concrete box beam or girders - multiple carrying Northrup Road over Mckay Creek in Washington County, Oregon. It was built in 2000, so it is 25 years old, younger than the Oregon average of 49.9 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 231 vehicles a day, roughly 5% of them trucks, projected to reach 261 by 2025. The structure is 89 ft (27.1 m) long and 32 ft wide. If it were closed, the detour would be 18.6 mi (30 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 | 8 Very Good | No problems noted. |
| 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 Northrup Road over Mckay Creek built?
It was built in 2000, making it 25 years old in 2025.
What condition is Northrup Road over Mckay Creek 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 August 2024.
How much traffic does Northrup Road over Mckay Creek carry?
About 231 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is Northrup Road over Mckay Creek?
The structure is 89 ft (27.1 m) long with a longest span of 87 ft (26.5 m) and a deck 32 ft wide.
Who owns Northrup Road over Mckay Creek?
It is owned by the County Highway Agency.