Scappoose-Vernonia over East Fork Nehalem River
PoorColumbia County, Oregon · 022 M SE JCT HWY47/FAS744 · Structure no. 13686A306900219
- Built
- 1952
- 73 years old
- Condition
- Poor
- inspected May 2024
- Type
- Tee Beam
- Concrete
- Length
- 77 ft
- 3 main spans
- Daily traffic
- 991
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Scappoose-Vernonia over East Fork Nehalem River is a concrete tee beam carrying Scappoose-Vernonia over East Fork Nehalem River in Columbia County, Oregon. It was built in 1952, so it is 73 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 3 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: open, would be posted or closed except for temporary shoring.
It carries about 991 vehicles a day, roughly 20% of them trucks, projected to reach 1,121 by 2025. The structure is 77 ft (23.5 m) long and 32 ft wide. If it were closed, the detour would be 28.6 mi (46 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Scappoose-Vernonia over East Fork Nehalem River built?
It was built in 1952, making it 73 years old in 2025.
What condition is Scappoose-Vernonia over East Fork Nehalem River 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 May 2024.
How much traffic does Scappoose-Vernonia over East Fork Nehalem River carry?
About 991 vehicles per day (2020 count), of which roughly 20% are trucks.
How long is Scappoose-Vernonia over East Fork Nehalem River?
The structure is 77 ft (23.5 m) long with a longest span of 25 ft (7.6 m) and a deck 32 ft wide.
Who owns Scappoose-Vernonia over East Fork Nehalem River?
It is owned by the County Highway Agency.