Sentinel Bridge Ro over Merced River
FairMariposa County, California · 13.2 Miles East from El P · Structure no. 8800004P0000000
- Built
- 1994
- 31 years old
- Condition
- Fair
- inspected September 2024
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete
- Length
- 116 ft
- 1 main span
- Daily traffic
- 3,416
- 2022 count
- Owner
- Federal
- National Park Service
About this bridge
Sentinel Bridge Ro over Merced River is a prestressed concrete box beam or girders - single or spread carrying Sentinel Bridge Ro over Merced River in Mariposa County, California. It was built in 1994, so it is 31 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 6 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 3,416 vehicles a day, roughly 1% of them trucks, projected to reach 4,099 by 2042. The structure is 116 ft (35.4 m) long and 48 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sentinel Bridge Ro over Merced River built?
It was built in 1994, making it 31 years old in 2025.
What condition is Sentinel Bridge Ro over Merced 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 September 2024.
How much traffic does Sentinel Bridge Ro over Merced River carry?
About 3,416 vehicles per day (2022 count), of which roughly 1% are trucks.
How long is Sentinel Bridge Ro over Merced River?
The structure is 116 ft (35.4 m) long with a longest span of 113 ft (34.4 m) and a deck 48 ft wide.
Who owns Sentinel Bridge Ro over Merced River?
It is owned by the National Park Service.