I-5 over Martin Way
FairThurston County, Washington · 5.0 N JCT US 101 · Structure no. 0008100A0000000
- Built
- 1967
- 58 years old, rebuilt 1988
- Condition
- Fair
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 276 ft
- 3 main spans
- Daily traffic
- 49,562
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-5 over Martin Way is a prestressed concrete stringer/multi-beam or girder carrying I-5 over Martin Way in Thurston County, Washington. It was built in 1967 and reconstructed in 1988, so it is 58 years old, older than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 49,562 vehicles a day, roughly 11% of them trucks, projected to reach 73,068 by 2039. The structure is 276 ft (84.1 m) long and 55 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-5 over Martin Way built?
It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1988.
What condition is I-5 over Martin Way in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.
How much traffic does I-5 over Martin Way carry?
About 49,562 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is I-5 over Martin Way?
The structure is 276 ft (84.1 m) long with a longest span of 134 ft (40.8 m) and a deck 55 ft wide.
Who owns I-5 over Martin Way?
It is owned by the State Highway Agency.