SR 155 over Northrup CR
GoodGrant County, Washington · 19.1 N JCT US 2 · Structure no. 0003668D0000000
- Built
- 1949
- 76 years old
- Condition
- Good
- inspected September 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 89 ft
- 3 main spans
- Daily traffic
- 1,122
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 155 over Northrup CR is a concrete continuous tee beam carrying SR 155 over Northrup CR in Grant County, Washington. It was built in 1949, so it is 76 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 1,122 vehicles a day, roughly 12% of them trucks, projected to reach 1,493 by 2039. The structure is 89 ft (27.1 m) long and 38 ft wide. If it were closed, the detour would be 55.9 mi (90 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 155 over Northrup CR built?
It was built in 1949, making it 76 years old in 2025.
What condition is SR 155 over Northrup CR 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 September 2023.
How much traffic does SR 155 over Northrup CR carry?
About 1,122 vehicles per day (2023 count), of which roughly 12% are trucks.
How long is SR 155 over Northrup CR?
The structure is 89 ft (27.1 m) long with a longest span of 52 ft (15.7 m) and a deck 38 ft wide.
Who owns SR 155 over Northrup CR?
It is owned by the State Highway Agency.