Chapman Road over N Fk Scappoose Creek
FairColumbia County, Oregon · 090 MI SW ST Helens · Structure no. 13744B103400010
- Built
- 1978
- 47 years old
- Condition
- Fair
- inspected May 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 49 ft
- 1 main span
- Daily traffic
- 302
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Chapman Road over N Fk Scappoose Creek is a prestressed concrete slab carrying Chapman Road over N Fk Scappoose Creek in Columbia County, Oregon. It was built in 1978, so it is 47 years old, younger 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 302 vehicles a day, roughly 10% of them trucks, projected to reach 342 by 2025. The structure is 49 ft (14.9 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 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 |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Chapman Road over N Fk Scappoose Creek built?
It was built in 1978, making it 47 years old in 2025.
What condition is Chapman Road over N Fk Scappoose 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 May 2023.
How much traffic does Chapman Road over N Fk Scappoose Creek carry?
About 302 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Chapman Road over N Fk Scappoose Creek?
The structure is 49 ft (14.9 m) long with a longest span of 48 ft (14.6 m) and a deck 28 ft wide.
Who owns Chapman Road over N Fk Scappoose Creek?
It is owned by the County Highway Agency.