US 12 over Bn & UP RR
GoodWalla Walla County, Washington · 8.7 E JCT SR 124 · Structure no. 0009781A0000000
- Built
- 1975
- 50 years old
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 544 ft
- 5 main spans
- Daily traffic
- 6,038
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 12 over Bn & UP RR is a prestressed concrete continuous stringer/multi-beam or girder carrying US 12 over Bn & UP RR in Walla Walla County, Washington. It was built in 1975, so it is 50 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 6,038 vehicles a day, roughly 20% of them trucks, projected to reach 6,222 by 2039. The structure is 544 ft (165.8 m) long and 43 ft wide.
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 US 12 over Bn & UP RR built?
It was built in 1975, making it 50 years old in 2025.
What condition is US 12 over Bn & UP RR 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 June 2023.
How much traffic does US 12 over Bn & UP RR carry?
About 6,038 vehicles per day (2023 count), of which roughly 20% are trucks.
How long is US 12 over Bn & UP RR?
The structure is 544 ft (165.8 m) long with a longest span of 122 ft (37.2 m) and a deck 43 ft wide.
Who owns US 12 over Bn & UP RR?
It is owned by the State Highway Agency.