Case RD Ext over Allen Creek
GoodThurston County, Washington · 0.6 M S of 113th Ave SW · Structure no. 087544000000000
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected October 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 29 ft
- 1 main span
- Daily traffic
- 28
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Case RD Ext over Allen Creek is a prestressed concrete slab carrying Case RD Ext over Allen Creek in Thurston County, Washington. It was built in 2007, so it is 18 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 28 vehicles a day, roughly 5% of them trucks, projected to reach 43 by 2041. The structure is 29 ft (8.8 m) long and 28 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 Case RD Ext over Allen Creek built?
It was built in 2007, making it 18 years old in 2025.
What condition is Case RD Ext over Allen 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 2024.
How much traffic does Case RD Ext over Allen Creek carry?
About 28 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is Case RD Ext over Allen Creek?
The structure is 29 ft (8.8 m) long with a longest span of 26 ft (7.9 m) and a deck 28 ft wide.
Who owns Case RD Ext over Allen Creek?
It is owned by the County Highway Agency.