Doherty DR over Arroyo Holon
FairMarin County, California · At Rose Lane · Structure no. 27C0161
- Built
- 2014
- 11 years old
- Condition
- Fair
- inspected July 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 55 ft
- 1 main span
- Daily traffic
- 6,381
- 2011 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Doherty DR over Arroyo Holon is a prestressed concrete box beam or girders - multiple carrying Doherty DR over Arroyo Holon in Marin County, California. It was built in 2014, so it is 11 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 6,381 vehicles a day, roughly 4% of them trucks, projected to reach 7,534 by 2041. The structure is 55 ft (16.7 m) long and 70 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Doherty DR over Arroyo Holon built?
It was built in 2014, making it 11 years old in 2025.
What condition is Doherty DR over Arroyo Holon 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 Doherty DR over Arroyo Holon carry?
About 6,381 vehicles per day (2011 count), of which roughly 4% are trucks.
How long is Doherty DR over Arroyo Holon?
The structure is 55 ft (16.7 m) long with a longest span of 52 ft (15.9 m) and a deck 70 ft wide.
Who owns Doherty DR over Arroyo Holon?
It is owned by the City or Municipal Highway Agency.