Division ST CR #18 over N.Myrtle Creek/Super Y
FairDouglas County, Oregon · At Myrtle CR Super Y · Structure no. 19C035 18 076
- Built
- 1957
- 68 years old, rebuilt 1999
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 111 ft
- 3 main spans
- Daily traffic
- 3,336
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Division ST CR #18 over N.Myrtle Creek/Super Y is a steel stringer/multi-beam or girder carrying Division ST CR #18 over N.Myrtle Creek/Super Y in Douglas County, Oregon. It was built in 1957 and reconstructed in 1999, so it is 68 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 3,336 vehicles a day, roughly 5% of them trucks, projected to reach 3,771 by 2025. The structure is 111 ft (33.8 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Division ST CR #18 over N.Myrtle Creek/Super Y built?
It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1999.
What condition is Division ST CR #18 over N.Myrtle Creek/Super Y 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 June 2023.
How much traffic does Division ST CR #18 over N.Myrtle Creek/Super Y carry?
About 3,336 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is Division ST CR #18 over N.Myrtle Creek/Super Y?
The structure is 111 ft (33.8 m) long with a longest span of 50 ft (15.2 m) and a deck 32 ft wide.
Who owns Division ST CR #18 over N.Myrtle Creek/Super Y?
It is owned by the County Highway Agency.