Old HWY 99 SW over Scatter Creek
FairThurston County, Washington · 3. NE JCT I5 · Structure no. 084398000000000
- Built
- 1923
- 102 years old
- Condition
- Fair
- inspected August 2024
- Type
- Slab
- Concrete Continuous
- Length
- 66 ft
- 3 main spans
- Daily traffic
- 7,789
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Old HWY 99 SW over Scatter Creek is a concrete continuous slab carrying Old HWY 99 SW over Scatter Creek in Thurston County, Washington. It was built in 1923, so it is 102 years old, older than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 7,789 vehicles a day, roughly 15% of them trucks, projected to reach 12,041 by 2042. The structure is 66 ft (20.1 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old HWY 99 SW over Scatter Creek built?
It was built in 1923, making it 102 years old in 2025.
What condition is Old HWY 99 SW over Scatter Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.
How much traffic does Old HWY 99 SW over Scatter Creek carry?
About 7,789 vehicles per day (2020 count), of which roughly 15% are trucks.
How long is Old HWY 99 SW over Scatter Creek?
The structure is 66 ft (20.1 m) long with a longest span of 21 ft (6.4 m) and a deck 28 ft wide.
Who owns Old HWY 99 SW over Scatter Creek?
It is owned by the County Highway Agency.