Lindemann RD over Delta-Mendota Canal
PoorPosted for loadContra Costa County, California · 100 Ft S Herdlyn RD · Structure no. 28C0402
- Built
- 1950
- 75 years old
- Condition
- Poor
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 292 ft
- 11 main spans
- Daily traffic
- 150
- 2015 count
- Owner
- County
- County Highway Agency
About this bridge
Lindemann RD over Delta-Mendota Canal is a wood or timber stringer/multi-beam or girder carrying Lindemann RD over Delta-Mendota Canal in Contra Costa County, California. It was built in 1950, so it is 75 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 150 vehicles a day, roughly 1% of them trucks, projected to reach 374 by 2046. The structure is 292 ft (89 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Lindemann RD over Delta-Mendota Canal built?
It was built in 1950, making it 75 years old in 2025.
What condition is Lindemann RD over Delta-Mendota Canal 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 August 2024.
How much traffic does Lindemann RD over Delta-Mendota Canal carry?
About 150 vehicles per day (2015 count), of which roughly 1% are trucks.
How long is Lindemann RD over Delta-Mendota Canal?
The structure is 292 ft (89 m) long with a longest span of 27 ft (8.2 m) and a deck 26 ft wide.
Who owns Lindemann RD over Delta-Mendota Canal?
It is owned by the County Highway Agency.