Irby Road No 11750 over Crab Creek
GoodLincoln County, Washington · 3.05 N SR 28 · Structure no. 086161000000000
- Built
- 1994
- 31 years old
- Condition
- Good
- inspected December 2022
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 60 ft
- 1 main span
- Daily traffic
- 34
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Irby Road No 11750 over Crab Creek is a prestressed concrete tee beam carrying Irby Road No 11750 over Crab Creek in Lincoln County, Washington. It was built in 1994, so it is 31 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 34 vehicles a day, roughly 64% of them trucks, projected to reach 150 by 2040. The structure is 60 ft (18.3 m) long and 55 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 11750 over Crab Creek built?
It was built in 1994, making it 31 years old in 2025.
What condition is Irby Road No 11750 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 December 2022.
How much traffic does Irby Road No 11750 over Crab Creek carry?
About 34 vehicles per day (2022 count), of which roughly 64% are trucks.
How long is Irby Road No 11750 over Crab Creek?
The structure is 60 ft (18.3 m) long with a longest span of 58 ft (17.7 m) and a deck 55 ft wide.
Who owns Irby Road No 11750 over Crab Creek?
It is owned by the County Highway Agency.