Burchell Avenue over Duck Slough
PoorPosted for loadMerced County, California · 0.6 MI N/O Mariposa Way · Structure no. 39C0290
- Built
- 1938
- 87 years old
- Condition
- Poor
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 231 ft
- 10 main spans
- Daily traffic
- 360
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
Burchell Avenue over Duck Slough is a wood or timber stringer/multi-beam or girder carrying Burchell Avenue over Duck Slough in Merced County, California. It was built in 1938, so it is 87 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 360 vehicles a day, roughly 9% of them trucks, projected to reach 190 by 2042. The structure is 231 ft (70.4 m) long and 22 ft wide. If it were closed, the detour would be 8.1 mi (13 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Burchell Avenue over Duck Slough built?
It was built in 1938, making it 87 years old in 2025.
What condition is Burchell Avenue over Duck Slough in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.
How much traffic does Burchell Avenue over Duck Slough carry?
About 360 vehicles per day (2018 count), of which roughly 9% are trucks.
How long is Burchell Avenue over Duck Slough?
The structure is 231 ft (70.4 m) long with a longest span of 23 ft (7 m) and a deck 22 ft wide.
Who owns Burchell Avenue over Duck Slough?
It is owned by the County Highway Agency.