Arrowhead Lake RD over Mojave River
FairSan Bernardino County, California · 0.2 MI N RTE 173 · Structure no. 54C0185
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected July 2023
- Type
- Culvert
- Concrete
- Length
- 42 ft
- 2 main spans
- Daily traffic
- 818
- 2015 count
- Owner
- County
- County Highway Agency
About this bridge
Arrowhead Lake RD over Mojave River is a concrete culvert carrying Arrowhead Lake RD over Mojave River in San Bernardino County, California. It was built in 1968, so it is 57 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 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 818 vehicles a day, roughly 1% of them trucks, projected to reach 882 by 2042. The structure is 42 ft (12.8 m) long and 57 ft wide. If it were closed, the detour would be 14.9 mi (24 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Arrowhead Lake RD over Mojave River built?
It was built in 1968, making it 57 years old in 2025.
What condition is Arrowhead Lake RD over Mojave 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 July 2023.
How much traffic does Arrowhead Lake RD over Mojave River carry?
About 818 vehicles per day (2015 count), of which roughly 1% are trucks.
How long is Arrowhead Lake RD over Mojave River?
The structure is 42 ft (12.8 m) long with a longest span of 18 ft (5.5 m) and a deck 57 ft wide.
Who owns Arrowhead Lake RD over Mojave River?
It is owned by the County Highway Agency.