US 20 (hwy 16) over South Santiam River
GoodLinn County, Oregon · 195 MI E Sweethome · Structure no. 01577A016 04612
- Built
- 1983
- 42 years old
- Condition
- Good
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 240 ft
- 3 main spans
- Daily traffic
- 1,091
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 20 (hwy 16) over South Santiam River is a prestressed concrete continuous stringer/multi-beam or girder carrying US 20 (hwy 16) over South Santiam River in Linn County, Oregon. It was built in 1983, so it is 42 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 1,091 vehicles a day, roughly 24% of them trucks, projected to reach 1,200 by 2042. The structure is 240 ft (73 m) long and 35 ft wide. If it were closed, the detour would be 57.8 mi (93 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 16) over South Santiam River built?
It was built in 1983, making it 42 years old in 2025.
What condition is US 20 (hwy 16) over South Santiam River 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 February 2024.
How much traffic does US 20 (hwy 16) over South Santiam River carry?
About 1,091 vehicles per day (2022 count), of which roughly 24% are trucks.
How long is US 20 (hwy 16) over South Santiam River?
The structure is 240 ft (73 m) long with a longest span of 100 ft (30.5 m) and a deck 35 ft wide.
Who owns US 20 (hwy 16) over South Santiam River?
It is owned by the State Highway Agency.