I-105 (hwy 227) WB over HWY 1W City Sts. & SPRR
FairLane County, Oregon · SB or 99W JCT HWY 1W · Structure no. 09600L227 00028
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected October 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 1,026 ft
- 6 main spans
- Daily traffic
- 54,472
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I-105 (hwy 227) WB over HWY 1W City Sts. & SPRR is a prestressed concrete continuous box beam or girders - multiple carrying I-105 (hwy 227) WB over HWY 1W City Sts. & SPRR in Lane County, Oregon. It was built in 1973, so it is 52 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 6 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 54,472 vehicles a day, roughly 4% of them trucks, projected to reach 59,300 by 2042. The structure is 1,026 ft (312.7 m) long and 100 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-105 (hwy 227) WB over HWY 1W City Sts. & SPRR built?
It was built in 1973, making it 52 years old in 2025.
What condition is I-105 (hwy 227) WB over HWY 1W City Sts. & SPRR 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 October 2024.
How much traffic does I-105 (hwy 227) WB over HWY 1W City Sts. & SPRR carry?
About 54,472 vehicles per day (2022 count), of which roughly 4% are trucks.
How long is I-105 (hwy 227) WB over HWY 1W City Sts. & SPRR?
The structure is 1,026 ft (312.7 m) long with a longest span of 166 ft (50.6 m) and a deck 100 ft wide.
Who owns I-105 (hwy 227) WB over HWY 1W City Sts. & SPRR?
It is owned by the State Highway Agency.