DELONG/4340 over Unnamed Drainage
FairPosted for loadWhitman County, Washington · 1.27 MI SE Mulkey · Structure no. 080459000000000
- Built
- 1978
- 47 years old
- Condition
- Fair
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 36 ft
- 1 main span
- Daily traffic
- 50
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
DELONG/4340 over Unnamed Drainage is a prestressed concrete stringer/multi-beam or girder carrying DELONG/4340 over Unnamed Drainage in Whitman County, Washington. It was built in 1978, so it is 47 years old, younger 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. Its operating status is: posted for load restriction.
It carries about 50 vehicles a day, roughly 25% of them trucks, projected to reach 51 by 2044. The structure is 36 ft (11 m) long and 24 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was DELONG/4340 over Unnamed Drainage built?
It was built in 1978, making it 47 years old in 2025.
What condition is DELONG/4340 over Unnamed Drainage 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 December 2023.
How much traffic does DELONG/4340 over Unnamed Drainage carry?
About 50 vehicles per day (2021 count), of which roughly 25% are trucks.
How long is DELONG/4340 over Unnamed Drainage?
The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 24 ft wide.
Who owns DELONG/4340 over Unnamed Drainage?
It is owned by the County Highway Agency.