Thorne RD over I-5
GoodPierce County, Washington · 8.5 N Thurston CO · Structure no. 0019133D0000000
- Built
- 2020
- 5 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 344 ft
- 3 main spans
- Daily traffic
- 5,883
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
Thorne RD over I-5 is a prestressed concrete continuous stringer/multi-beam or girder carrying Thorne RD over I-5 in Pierce County, Washington. It was built in 2020, so it is 5 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 5,883 vehicles a day, roughly 1% of them trucks, projected to reach 9,577 by 2038. The structure is 344 ft (104.9 m) long and 46 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 |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Thorne RD over I-5 built?
It was built in 2020, making it 5 years old in 2025.
What condition is Thorne RD over I-5 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 May 2024.
How much traffic does Thorne RD over I-5 carry?
About 5,883 vehicles per day (2016 count), of which roughly 1% are trucks.
How long is Thorne RD over I-5?
The structure is 344 ft (104.9 m) long with a longest span of 154 ft (46.9 m) and a deck 46 ft wide.
Who owns Thorne RD over I-5?
It is owned by the State Highway Agency.