Summer Street NE over Mill Creek
FairMarion County, Oregon · 0.5 MI N State Capitol Bl · Structure no. 470218
- Built
- 1929
- 96 years old
- Condition
- Fair
- inspected August 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 61 ft
- 3 main spans
- Daily traffic
- 22,876
- 2020 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Summer Street NE over Mill Creek is a concrete continuous tee beam carrying Summer Street NE over Mill Creek in Marion County, Oregon. It was built in 1929, so it is 96 years old, older 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 22,876 vehicles a day, roughly 3% of them trucks, projected to reach 31,924 by 2025. The structure is 61 ft (18.6 m) long and 64 ft wide.
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 | 7 Good | Some minor problems. |
| 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 Summer Street NE over Mill Creek built?
It was built in 1929, making it 96 years old in 2025.
What condition is Summer Street NE over Mill 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 August 2023.
How much traffic does Summer Street NE over Mill Creek carry?
About 22,876 vehicles per day (2020 count), of which roughly 3% are trucks.
How long is Summer Street NE over Mill Creek?
The structure is 61 ft (18.6 m) long with a longest span of 20 ft (6.1 m) and a deck 64 ft wide.
Who owns Summer Street NE over Mill Creek?
It is owned by the City or Municipal Highway Agency.