IRR BIA RTE 1123 over Sitdown Creek
PoorPosted for loadFerry County, Washington · 25 KM NW of Sub-Agency · Structure no. 00000000000P333
- Built
- 1993
- 32 years old
- Condition
- Poor
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 44 ft
- 1 main span
- Daily traffic
- 50
- 2023 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 1123 over Sitdown Creek is a steel stringer/multi-beam or girder carrying IRR BIA RTE 1123 over Sitdown Creek in Ferry County, Washington. It was built in 1993, so it is 32 years old, younger than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 50 vehicles a day, roughly 40% of them trucks, projected to reach 100 by 2043. The structure is 44 ft (13.4 m) long and 14 ft wide. If it were closed, the detour would be 9.9 mi (16 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR BIA RTE 1123 over Sitdown Creek built?
It was built in 1993, making it 32 years old in 2025.
What condition is IRR BIA RTE 1123 over Sitdown Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.
How much traffic does IRR BIA RTE 1123 over Sitdown Creek carry?
About 50 vehicles per day (2023 count), of which roughly 40% are trucks.
How long is IRR BIA RTE 1123 over Sitdown Creek?
The structure is 44 ft (13.4 m) long with a longest span of 43 ft (13.1 m) and a deck 14 ft wide.
Who owns IRR BIA RTE 1123 over Sitdown Creek?
It is owned by the Bureau of Indian Affairs.