Irby Road No. 1175 over Crab Creek
GoodLincoln County, Washington · 3.08 N ST 28 · Structure no. 087214000000000
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 72 ft
- 1 main span
- Daily traffic
- 42
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Irby Road No. 1175 over Crab Creek is a prestressed concrete stringer/multi-beam or girder carrying Irby Road No. 1175 over Crab Creek in Lincoln County, Washington. It was built in 2003, so it is 22 years old, younger than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 42 vehicles a day, roughly 40% of them trucks, projected to reach 70 by 2040. The structure is 72 ft (21.9 m) long and 30 ft wide. If it were closed, the detour would be 9.9 mi (16 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Irby Road No. 1175 over Crab Creek built?
It was built in 2003, making it 22 years old in 2025.
What condition is Irby Road No. 1175 over Crab Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.
How much traffic does Irby Road No. 1175 over Crab Creek carry?
About 42 vehicles per day (2021 count), of which roughly 40% are trucks.
How long is Irby Road No. 1175 over Crab Creek?
The structure is 72 ft (21.9 m) long with a longest span of 69 ft (21 m) and a deck 30 ft wide.
Who owns Irby Road No. 1175 over Crab Creek?
It is owned by the County Highway Agency.