Atwater Merced Exp over State Route 99
GoodMerced County, California · 10-MER-099-20.05 · Structure no. 39 0251
- Built
- 2015
- 10 years old
- Condition
- Good
- inspected April 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 309 ft
- 2 main spans
- Daily traffic
- 10,000
- 2015 count
- Owner
- State
- State Park, Forest, or Reservation Agency
About this bridge
Atwater Merced Exp over State Route 99 is a prestressed concrete continuous box beam or girders - multiple carrying Atwater Merced Exp over State Route 99 in Merced County, California. It was built in 2015, so it is 10 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 10,000 vehicles a day, roughly 3% of them trucks, projected to reach 20,884 by 2046. The structure is 309 ft (94.2 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Atwater Merced Exp over State Route 99 built?
It was built in 2015, making it 10 years old in 2025.
What condition is Atwater Merced Exp over State Route 99 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.
How much traffic does Atwater Merced Exp over State Route 99 carry?
About 10,000 vehicles per day (2015 count), of which roughly 3% are trucks.
How long is Atwater Merced Exp over State Route 99?
The structure is 309 ft (94.2 m) long with a longest span of 168 ft (51.2 m) and a deck 43 ft wide.
Who owns Atwater Merced Exp over State Route 99?
It is owned by the State Park, Forest, or Reservation Agency.