Anderson RD over Mercer Creek
GoodKittitas County, Washington · 00.38 N of Umptanum · Structure no. 086229000000000
- Built
- 1987
- 38 years old
- Condition
- Good
- inspected November 2024
- Type
- Culvert
- Steel
- Length
- 22 ft
- 2 main spans
- Daily traffic
- 2,648
- 2020 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Anderson RD over Mercer Creek is a steel culvert carrying Anderson RD over Mercer Creek in Kittitas County, Washington. It was built in 1987, so it is 38 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 2,648 vehicles a day, roughly 27% of them trucks, projected to reach 7,017 by 2040. The structure is 22 ft (6.7 m) long and 60 ft wide. If it were closed, the detour would be 3.1 mi (5 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Anderson RD over Mercer Creek built?
It was built in 1987, making it 38 years old in 2025.
What condition is Anderson RD over Mercer 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 November 2024.
How much traffic does Anderson RD over Mercer Creek carry?
About 2,648 vehicles per day (2020 count), of which roughly 27% are trucks.
How long is Anderson RD over Mercer Creek?
The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m) and a deck 60 ft wide.
Who owns Anderson RD over Mercer Creek?
It is owned by the City or Municipal Highway Agency.