HWY 29 over Gales Creek Overflow
FairWashington County, Oregon · 5.4 MI W Hillsboro Wcl · Structure no. 16130 029 01972
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected April 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 234 ft
- 5 main spans
- Daily traffic
- 13,005
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
HWY 29 over Gales Creek Overflow is a prestressed concrete slab carrying HWY 29 over Gales Creek Overflow in Washington County, Oregon. It was built in 1975, so it is 50 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 13,005 vehicles a day, roughly 7% of them trucks, projected to reach 18,500 by 2042. The structure is 234 ft (71.3 m) long and 60 ft wide. If it were closed, the detour would be 13 mi (21 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was HWY 29 over Gales Creek Overflow built?
It was built in 1975, making it 50 years old in 2025.
What condition is HWY 29 over Gales Creek Overflow 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 April 2024.
How much traffic does HWY 29 over Gales Creek Overflow carry?
About 13,005 vehicles per day (2022 count), of which roughly 7% are trucks.
How long is HWY 29 over Gales Creek Overflow?
The structure is 234 ft (71.3 m) long with a longest span of 47 ft (14.3 m) and a deck 60 ft wide.
Who owns HWY 29 over Gales Creek Overflow?
It is owned by the State Highway Agency.