128th Av SW over Unnamed Stream
GoodThurston County, Washington · 0.08 Mile W Littlerock RD · Structure no. 087545000000000
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected June 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 29 ft
- 1 main span
- Daily traffic
- 3,047
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
128th Av SW over Unnamed Stream is a prestressed concrete slab carrying 128th Av SW over Unnamed Stream 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 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 3,047 vehicles a day, roughly 10% of them trucks, projected to reach 4,710 by 2043. The structure is 29 ft (8.8 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 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 128th Av SW over Unnamed Stream built?
It was built in 2007, making it 18 years old in 2025.
What condition is 128th Av SW over Unnamed Stream 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 June 2024.
How much traffic does 128th Av SW over Unnamed Stream carry?
About 3,047 vehicles per day (2021 count), of which roughly 10% are trucks.
How long is 128th Av SW over Unnamed Stream?
The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 39 ft wide.
Who owns 128th Av SW over Unnamed Stream?
It is owned by the County Highway Agency.