State Route 49 over Mokelumne River
FairAmador County, California · 10-AMA-049-0.01 · Structure no. 26 0012
- Built
- 1952
- 73 years old
- Condition
- Fair
- inspected April 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 365 ft
- 4 main spans
- Daily traffic
- 5,900
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 49 over Mokelumne River is a concrete continuous box beam or girders - multiple carrying State Route 49 over Mokelumne River in Amador County, California. It was built in 1952, so it is 73 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.
It carries about 5,900 vehicles a day, projected to reach 7,493 by 2041. The structure is 365 ft (111.3 m) long and 33 ft wide. If it were closed, the detour would be 34.8 mi (56 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 State Route 49 over Mokelumne River built?
It was built in 1952, making it 73 years old in 2025.
What condition is State Route 49 over Mokelumne 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 April 2023.
How much traffic does State Route 49 over Mokelumne River carry?
About 5,900 vehicles per day (2009 count).
How long is State Route 49 over Mokelumne River?
The structure is 365 ft (111.3 m) long with a longest span of 90 ft (27.4 m) and a deck 33 ft wide.
Who owns State Route 49 over Mokelumne River?
It is owned by the State Highway Agency.