US 10 over Little Rock Lake
FairBenton County, Minnesota · 4.1 MI SE of JCT Csah 12 · Structure no. 9462
- Built
- 1962
- 63 years old
- Condition
- Fair
- inspected July 2024
- Type
- Slab
- Concrete Continuous
- Length
- 116 ft
- 3 main spans
- Daily traffic
- 12,000
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
US 10 over Little Rock Lake is a concrete continuous slab carrying US 10 over Little Rock Lake in Benton County, Minnesota. It was built in 1962, so it is 63 years old, older than the Minnesota average of 38.5 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.
It carries about 12,000 vehicles a day, roughly 9% of them trucks, projected to reach 12,750 by 2039. The structure is 116 ft (35.3 m) long and 44 ft wide. If it were closed, the detour would be 75.8 mi (122 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 US 10 over Little Rock Lake built?
It was built in 1962, making it 63 years old in 2025.
What condition is US 10 over Little Rock Lake 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 July 2024.
How much traffic does US 10 over Little Rock Lake carry?
About 12,000 vehicles per day (2019 count), of which roughly 9% are trucks.
How long is US 10 over Little Rock Lake?
The structure is 116 ft (35.3 m) long with a longest span of 47 ft (14.2 m) and a deck 44 ft wide.
Who owns US 10 over Little Rock Lake?
It is owned by the State Highway Agency.