Old Chilli Road over Thousand Springs Creek
PoorPosted for loadCuster County, Idaho · 12.6 N. 13.2 W. Mackay · Structure no. 000000000031700
- Built
- 1926
- 99 years old
- Condition
- Poor
- inspected July 2024
- Type
- Tee Beam
- Concrete
- Length
- 26 ft
- 1 main span
- Daily traffic
- 80
- 2023 count
- Owner
- Local
- Other Local Agency
About this bridge
Old Chilli Road over Thousand Springs Creek is a concrete tee beam carrying Old Chilli Road over Thousand Springs Creek in Custer County, Idaho. It was built in 1926, so it is 99 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 4 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. Its operating status is: posted for load restriction.
It carries about 80 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2039. The structure is 26 ft (7.9 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old Chilli Road over Thousand Springs Creek built?
It was built in 1926, making it 99 years old in 2025.
What condition is Old Chilli Road over Thousand Springs 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 July 2024.
How much traffic does Old Chilli Road over Thousand Springs Creek carry?
About 80 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is Old Chilli Road over Thousand Springs Creek?
The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 26 ft wide.
Who owns Old Chilli Road over Thousand Springs Creek?
It is owned by the Other Local Agency.