Old Pacific HWY over Nisqually River
GoodThurston County, Washington · Pierce CO Line · Structure no. 086390000000000
- Built
- 1998
- 27 years old
- Condition
- Good
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 325 ft
- 2 main spans
- Daily traffic
- 13,122
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Old Pacific HWY over Nisqually River is a prestressed concrete continuous stringer/multi-beam or girder carrying Old Pacific HWY over Nisqually River in Thurston County, Washington. It was built in 1998, so it is 27 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 13,122 vehicles a day, roughly 10% of them trucks, projected to reach 20,286 by 2042. The structure is 325 ft (99.1 m) long and 43 ft wide. If it were closed, the detour would be 8.1 mi (13 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 Old Pacific HWY over Nisqually River built?
It was built in 1998, making it 27 years old in 2025.
What condition is Old Pacific HWY over Nisqually River 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 September 2023.
How much traffic does Old Pacific HWY over Nisqually River carry?
About 13,122 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Old Pacific HWY over Nisqually River?
The structure is 325 ft (99.1 m) long with a longest span of 160 ft (48.8 m) and a deck 43 ft wide.
Who owns Old Pacific HWY over Nisqually River?
It is owned by the County Highway Agency.