SIMMONS/1590 over Branch Silver Creek
FairPosted for loadWhitman County, Washington · 0.03 MI S Walters · Structure no. 083119000000000
- Built
- 1921
- 104 years old, rebuilt 1956
- Condition
- Fair
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 24 ft
- 1 main span
- Daily traffic
- 2
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
SIMMONS/1590 over Branch Silver Creek is a wood or timber stringer/multi-beam or girder carrying SIMMONS/1590 over Branch Silver Creek in Whitman County, Washington. It was built in 1921 and reconstructed in 1956, so it is 104 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. Its operating status is: posted for load restriction.
It carries about 2 vehicles a day, roughly 50% of them trucks, projected to reach 2 by 2044. The structure is 24 ft (7.3 m) long and 20 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 SIMMONS/1590 over Branch Silver Creek built?
It was built in 1921, making it 104 years old in 2025. It was reconstructed in 1956.
What condition is SIMMONS/1590 over Branch Silver Creek 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 November 2024.
How much traffic does SIMMONS/1590 over Branch Silver Creek carry?
About 2 vehicles per day (2022 count), of which roughly 50% are trucks.
How long is SIMMONS/1590 over Branch Silver Creek?
The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 20 ft wide.
Who owns SIMMONS/1590 over Branch Silver Creek?
It is owned by the County Highway Agency.