HWY 103 over Cow Creek
GoodClatsop County, Oregon · 027 MI S HWY 26 JCT · Structure no. 18165 103 00632
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected October 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 35 ft
- 1 main span
- Daily traffic
- 799
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
HWY 103 over Cow Creek is a prestressed concrete slab carrying HWY 103 over Cow Creek in Clatsop County, Oregon. It was built in 1997, so it is 28 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 799 vehicles a day, roughly 15% of them trucks, projected to reach 1,100 by 2042. The structure is 35 ft (10.7 m) long and 36 ft wide. If it were closed, the detour would be 29.2 mi (47 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 HWY 103 over Cow Creek built?
It was built in 1997, making it 28 years old in 2025.
What condition is HWY 103 over Cow 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 October 2023.
How much traffic does HWY 103 over Cow Creek carry?
About 799 vehicles per day (2022 count), of which roughly 15% are trucks.
How long is HWY 103 over Cow Creek?
The structure is 35 ft (10.7 m) long with a longest span of 35 ft (10.7 m) and a deck 36 ft wide.
Who owns HWY 103 over Cow Creek?
It is owned by the State Highway Agency.