US 20 (hwy 33) over Norton Creek
GoodBenton County, Oregon · 051 MI E Lincoln Benton L · Structure no. 00773A033 03996
- Built
- 1975
- 50 years old
- Condition
- Good
- inspected July 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 84 ft
- 3 main spans
- Daily traffic
- 7,008
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 20 (hwy 33) over Norton Creek is a prestressed concrete slab carrying US 20 (hwy 33) over Norton Creek in Benton County, Oregon. It was built in 1975, so it is 50 years old, older 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 7,008 vehicles a day, roughly 15% of them trucks, projected to reach 7,900 by 2042. The structure is 84 ft (25.6 m) long and 44 ft wide. If it were closed, the detour would be 34.8 mi (56 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. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 20 (hwy 33) over Norton Creek built?
It was built in 1975, making it 50 years old in 2025.
What condition is US 20 (hwy 33) over Norton 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 July 2023.
How much traffic does US 20 (hwy 33) over Norton Creek carry?
About 7,008 vehicles per day (2022 count), of which roughly 15% are trucks.
How long is US 20 (hwy 33) over Norton Creek?
The structure is 84 ft (25.6 m) long with a longest span of 28 ft (8.5 m) and a deck 44 ft wide.
Who owns US 20 (hwy 33) over Norton Creek?
It is owned by the State Highway Agency.