Little Rock Road over Noble Drain
PoorGem County, Idaho · 2.7 N. 3.2 W. Letha · Structure no. 000000000028130
- Built
- 1955
- 70 years old
- Condition
- Poor
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 26 ft
- 1 main span
- Daily traffic
- 50
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Little Rock Road over Noble Drain is a steel stringer/multi-beam or girder carrying Little Rock Road over Noble Drain in Gem County, Idaho. It was built in 1955, so it is 70 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.
It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 75 by 2039. The structure is 26 ft (7.9 m) long and 16 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 4 Poor | Advanced section loss, deterioration, 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Little Rock Road over Noble Drain built?
It was built in 1955, making it 70 years old in 2025.
What condition is Little Rock Road over Noble Drain 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 November 2024.
How much traffic does Little Rock Road over Noble Drain carry?
About 50 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is Little Rock Road over Noble Drain?
The structure is 26 ft (7.9 m) long with a longest span of 22 ft (6.7 m) and a deck 16 ft wide.
Who owns Little Rock Road over Noble Drain?
It is owned by the County Highway Agency.