Mt Murphy RD over South Fk American River
FairPosted for loadEl Dorado County, California · 0.1 MI E of SR 49 · Structure no. 25C0004
- Built
- 1915
- 110 years old, rebuilt 1931
- Condition
- Fair
- inspected July 2024
- Type
- Truss - Thru
- Steel
- Length
- 482 ft
- 1 main span
- Daily traffic
- 284
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
Mt Murphy RD over South Fk American River is a steel truss - thru carrying Mt Murphy RD over South Fk American River in El Dorado County, California. It was built in 1915 and reconstructed in 1931, so it is 110 years old, older 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. Its operating status is: posted for load restriction.
It carries about 284 vehicles a day, roughly 10% of them trucks, projected to reach 816 by 2044. The structure is 482 ft (147 m) long and 19 ft wide. If it were closed, the detour would be 19.9 mi (32 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mt Murphy RD over South Fk American River built?
It was built in 1915, making it 110 years old in 2025. It was reconstructed in 1931.
What condition is Mt Murphy RD over South Fk American River 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 Mt Murphy RD over South Fk American River carry?
About 284 vehicles per day (2019 count), of which roughly 10% are trucks.
How long is Mt Murphy RD over South Fk American River?
The structure is 482 ft (147 m) long with a longest span of 162 ft (49.4 m) and a deck 19 ft wide.
Who owns Mt Murphy RD over South Fk American River?
It is owned by the County Highway Agency.