Folsom -Auburn Bl over American River Lk Natoma
FairSacramento County, California · 0.3 MI South of Greenback · Structure no. 24C0504
- Built
- 1999
- 26 years old
- Condition
- Fair
- inspected May 2024
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 2,266 ft
- 5 main spans
- Daily traffic
- 25,000
- 2016 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Folsom -Auburn Bl over American River Lk Natoma is a prestressed concrete continuous box beam or girders - single or spread carrying Folsom -Auburn Bl over American River Lk Natoma in Sacramento County, California. It was built in 1999, so it is 26 years old, younger than the California average of 54.8 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 25,000 vehicles a day, roughly 7% of them trucks, projected to reach 29,141 by 2042. The structure is 2,266 ft (690.6 m) long and 111 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Folsom -Auburn Bl over American River Lk Natoma built?
It was built in 1999, making it 26 years old in 2025.
What condition is Folsom -Auburn Bl over American River Lk Natoma 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 May 2024.
How much traffic does Folsom -Auburn Bl over American River Lk Natoma carry?
About 25,000 vehicles per day (2016 count), of which roughly 7% are trucks.
How long is Folsom -Auburn Bl over American River Lk Natoma?
The structure is 2,266 ft (690.6 m) long with a longest span of 328 ft (100 m) and a deck 111 ft wide.
Who owns Folsom -Auburn Bl over American River Lk Natoma?
It is owned by the City or Municipal Highway Agency.