US 12 over SR 107 RR Flood Plain
FairGrays Harbor County, Washington · 10.3 E JCT US 101 · Structure no. 0008374A0000000
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 2,008 ft
- 20 main spans
- Daily traffic
- 8,382
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 12 over SR 107 RR Flood Plain is a prestressed concrete continuous stringer/multi-beam or girder carrying US 12 over SR 107 RR Flood Plain in Grays Harbor County, Washington. It was built in 1969, so it is 56 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 8,382 vehicles a day, roughly 8% of them trucks, projected to reach 9,528 by 2039. The structure is 2,008 ft (612 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 12 over SR 107 RR Flood Plain built?
It was built in 1969, making it 56 years old in 2025.
What condition is US 12 over SR 107 RR Flood Plain 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 April 2023.
How much traffic does US 12 over SR 107 RR Flood Plain carry?
About 8,382 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is US 12 over SR 107 RR Flood Plain?
The structure is 2,008 ft (612 m) long with a longest span of 114 ft (34.7 m) and a deck 38 ft wide.
Who owns US 12 over SR 107 RR Flood Plain?
It is owned by the State Highway Agency.