Fs Route No. 257 over Steamboat Creek
PoorShoshone County, Idaho · Steamboat Cr. @ Omaho Cr. · Structure no. 010401000000216
- Built
- 1956
- 69 years old
- Condition
- Poor
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 51 ft
- 1 main span
- Daily traffic
- 50
- Owner
- Federal
- U.S. Forest Service
About this bridge
Fs Route No. 257 over Steamboat Creek is a wood or timber stringer/multi-beam or girder carrying Fs Route No. 257 over Steamboat Creek in Shoshone County, Idaho. It was built in 1956, so it is 69 years old, older than the Idaho average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 50 vehicles a day, projected to reach 75 by 2045. The structure is 51 ft (15.4 m) long and 16 ft wide. If it were closed, the detour would be 620.7 mi (999 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Fs Route No. 257 over Steamboat Creek built?
It was built in 1956, making it 69 years old in 2025.
What condition is Fs Route No. 257 over Steamboat Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.
How much traffic does Fs Route No. 257 over Steamboat Creek carry?
About 50 vehicles per day (latest count).
How long is Fs Route No. 257 over Steamboat Creek?
The structure is 51 ft (15.4 m) long with a longest span of 49 ft (14.9 m) and a deck 16 ft wide.
Who owns Fs Route No. 257 over Steamboat Creek?
It is owned by the U.S. Forest Service.