I-5 over S M ST
GoodPierce County, Washington · 0.5 N JCT SR 16 · Structure no. 0006088B0000000
- Built
- 1959
- 66 years old, rebuilt 1989
- Condition
- Good
- inspected May 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 232 ft
- 3 main spans
- Daily traffic
- 67,156
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-5 over S M ST is a concrete continuous box beam or girders - multiple carrying I-5 over S M ST in Pierce County, Washington. It was built in 1959 and reconstructed in 1989, so it is 66 years old, older 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 67,156 vehicles a day, roughly 11% of them trucks, projected to reach 97,745 by 2039. The structure is 232 ft (70.7 m) long and 177 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-5 over S M ST built?
It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1989.
What condition is I-5 over S M ST 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 I-5 over S M ST carry?
About 67,156 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is I-5 over S M ST?
The structure is 232 ft (70.7 m) long with a longest span of 82 ft (25 m) and a deck 177 ft wide.
Who owns I-5 over S M ST?
It is owned by the State Highway Agency.