HWY 51 over West Fork Mill Creek
FairMarion County, Oregon · 042 MI S HWY 1 JCT · Structure no. 17398 051 00499
- Built
- 1995
- 30 years old
- Condition
- Fair
- inspected August 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 108 ft
- 3 main spans
- Daily traffic
- 9,475
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
HWY 51 over West Fork Mill Creek is a prestressed concrete slab carrying HWY 51 over West Fork Mill Creek in Marion County, Oregon. It was built in 1995, so it is 30 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 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 9,475 vehicles a day, roughly 13% of them trucks, projected to reach 11,300 by 2042. The structure is 108 ft (32.9 m) long and 44 ft wide. If it were closed, the detour would be 3.1 mi (5 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. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was HWY 51 over West Fork Mill Creek built?
It was built in 1995, making it 30 years old in 2025.
What condition is HWY 51 over West Fork 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 HWY 51 over West Fork Mill Creek carry?
About 9,475 vehicles per day (2022 count), of which roughly 13% are trucks.
How long is HWY 51 over West Fork Mill Creek?
The structure is 108 ft (32.9 m) long with a longest span of 36 ft (11 m) and a deck 44 ft wide.
Who owns HWY 51 over West Fork Mill Creek?
It is owned by the State Highway Agency.