Incline Road over Moss Canyon
FairMariposa County, California · 0.25 MI West of SR 140 · Structure no. 40C0064
- Built
- 1965
- 60 years old, rebuilt 2014
- Condition
- Fair
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 65 ft
- 4 main spans
- Daily traffic
- 150
- 1988 count
- Owner
- County
- County Highway Agency
About this bridge
Incline Road over Moss Canyon is a steel continuous stringer/multi-beam or girder carrying Incline Road over Moss Canyon in Mariposa County, California. It was built in 1965 and reconstructed in 2014, so it is 60 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 150 vehicles a day, roughly 3% of them trucks, projected to reach 320 by 2040. The structure is 65 ft (19.8 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Incline Road over Moss Canyon built?
It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2014.
What condition is Incline Road over Moss Canyon 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 September 2023.
How much traffic does Incline Road over Moss Canyon carry?
About 150 vehicles per day (1988 count), of which roughly 3% are trucks.
How long is Incline Road over Moss Canyon?
The structure is 65 ft (19.8 m) long with a longest span of 16 ft (4.9 m) and a deck 16 ft wide.
Who owns Incline Road over Moss Canyon?
It is owned by the County Highway Agency.