I-5 over Norfolk ST Sewer
GoodKing County, Washington · 1.0 N JCT SR 900 · Structure no. 0007617B0000000
- Built
- 1966
- 59 years old, rebuilt 1995
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 74 ft
- 1 main span
- Daily traffic
- 103,312
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-5 over Norfolk ST Sewer is a prestressed concrete stringer/multi-beam or girder carrying I-5 over Norfolk ST Sewer in King County, Washington. It was built in 1966 and reconstructed in 1995, so it is 59 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 103,312 vehicles a day, roughly 7% of them trucks, projected to reach 154,285 by 2039. The structure is 74 ft (22.6 m) long and 82 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 Norfolk ST Sewer built?
It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1995.
What condition is I-5 over Norfolk ST Sewer 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 October 2024.
How much traffic does I-5 over Norfolk ST Sewer carry?
About 103,312 vehicles per day (2023 count), of which roughly 7% are trucks.
How long is I-5 over Norfolk ST Sewer?
The structure is 74 ft (22.6 m) long with a longest span of 70 ft (21.3 m) and a deck 82 ft wide.
Who owns I-5 over Norfolk ST Sewer?
It is owned by the State Highway Agency.