State Route 104 over Sutter Creek
PoorAmador County, California · 10-AMA-104-R5.86-ION · Structure no. 26 0005
- Built
- 1970
- 55 years old
- Condition
- Poor
- inspected April 2023
- Type
- Slab
- Concrete Continuous
- Length
- 92 ft
- 3 main spans
- Daily traffic
- 11,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 104 over Sutter Creek is a concrete continuous slab carrying State Route 104 over Sutter Creek in Amador County, California. It was built in 1970, so it is 55 years old, older than the California average of 54.8 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 11,000 vehicles a day, roughly 6% of them trucks, projected to reach 29,869 by 2041. The structure is 92 ft (28 m) long and 52 ft wide. If it were closed, the detour would be 24.9 mi (40 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 104 over Sutter Creek built?
It was built in 1970, making it 55 years old in 2025.
What condition is State Route 104 over Sutter 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 April 2023.
How much traffic does State Route 104 over Sutter Creek carry?
About 11,000 vehicles per day (2009 count), of which roughly 6% are trucks.
How long is State Route 104 over Sutter Creek?
The structure is 92 ft (28 m) long with a longest span of 31 ft (9.4 m) and a deck 52 ft wide.
Who owns State Route 104 over Sutter Creek?
It is owned by the State Highway Agency.