HWY 91 over HWY 61
FairMultnomah County, Oregon · 0.1 MI S Portland Cc · Structure no. 09153 01W 00129
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 180 ft
- 2 main spans
- Daily traffic
- 9,308
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
HWY 91 over HWY 61 is a prestressed concrete stringer/multi-beam or girder carrying HWY 91 over HWY 61 in Multnomah County, Oregon. It was built in 1964, so it is 61 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 9,308 vehicles a day, roughly 3% of them trucks, projected to reach 10,200 by 2042. The structure is 180 ft (54.9 m) long and 120 ft wide. If it were closed, the detour would be 4.3 mi (7 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 | 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 HWY 91 over HWY 61 built?
It was built in 1964, making it 61 years old in 2025.
What condition is HWY 91 over HWY 61 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 July 2023.
How much traffic does HWY 91 over HWY 61 carry?
About 9,308 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is HWY 91 over HWY 61?
The structure is 180 ft (54.9 m) long with a longest span of 90 ft (27.4 m) and a deck 120 ft wide.
Who owns HWY 91 over HWY 61?
It is owned by the State Highway Agency.