Nav Lock Bridge over Nav Lock Channel
FairWalla Walla County, Washington · Lower Monumental Dam · Structure no. CEPNWWWA0LMANAV
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected September 2024
- Type
- Box Beam or Girders - Single or Spread
- Concrete
- Length
- 93 ft
- 1 main span
- Daily traffic
- 50
- 2022 count
- Owner
- Federal
- Corps of Engineers (Civil)
About this bridge
Nav Lock Bridge over Nav Lock Channel is a concrete box beam or girders - single or spread carrying Nav Lock Bridge over Nav Lock Channel in Walla Walla County, Washington. It was built in 1966, so it is 59 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 6 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 50 vehicles a day, projected to reach 50 by 2041. The structure is 93 ft (28.4 m) long and 27 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nav Lock Bridge over Nav Lock Channel built?
It was built in 1966, making it 59 years old in 2025.
What condition is Nav Lock Bridge over Nav Lock Channel 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 September 2024.
How much traffic does Nav Lock Bridge over Nav Lock Channel carry?
About 50 vehicles per day (2022 count).
How long is Nav Lock Bridge over Nav Lock Channel?
The structure is 93 ft (28.4 m) long with a longest span of 93 ft (28.4 m) and a deck 27 ft wide.
Who owns Nav Lock Bridge over Nav Lock Channel?
It is owned by the Corps of Engineers (Civil).