I-5 NB Off Ramp over Mill Plain Blvd
GoodClark County, Washington · 0.7 N JCT SR14 · Structure no. 0011193D0000000
- Built
- 1979
- 46 years old
- Condition
- Good
- inspected April 2024
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete
- Length
- 212 ft
- 1 main span
- Daily traffic
- 6,976
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-5 NB Off Ramp over Mill Plain Blvd is a prestressed concrete box beam or girders - single or spread carrying I-5 NB Off Ramp over Mill Plain Blvd in Clark County, Washington. It was built in 1979, so it is 46 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 6,976 vehicles a day, roughly 12% of them trucks, projected to reach 10,935 by 2039. The structure is 212 ft (64.6 m) long and 29 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 NB Off Ramp over Mill Plain Blvd built?
It was built in 1979, making it 46 years old in 2025.
What condition is I-5 NB Off Ramp over Mill Plain Blvd 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 April 2024.
How much traffic does I-5 NB Off Ramp over Mill Plain Blvd carry?
About 6,976 vehicles per day (2023 count), of which roughly 12% are trucks.
How long is I-5 NB Off Ramp over Mill Plain Blvd?
The structure is 212 ft (64.6 m) long with a longest span of 120 ft (36.6 m) and a deck 29 ft wide.
Who owns I-5 NB Off Ramp over Mill Plain Blvd?
It is owned by the State Highway Agency.