Hedgeside Avenue over Milliken Creek
FairNapa County, California · 0.4 MI NW RTE 121 · Structure no. 21C0059
- Built
- 1925
- 100 years old, rebuilt 1987
- Condition
- Fair
- inspected May 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 91 ft
- 6 main spans
- Daily traffic
- 1,033
- 2012 count
- Owner
- County
- County Highway Agency
About this bridge
Hedgeside Avenue over Milliken Creek is a concrete continuous tee beam carrying Hedgeside Avenue over Milliken Creek in Napa County, California. It was built in 1925 and reconstructed in 1987, so it is 100 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 5 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 1,033 vehicles a day, roughly 12% of them trucks, projected to reach 1,609 by 2044. The structure is 91 ft (27.7 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Hedgeside Avenue over Milliken Creek built?
It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1987.
What condition is Hedgeside Avenue over Milliken Creek 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 May 2024.
How much traffic does Hedgeside Avenue over Milliken Creek carry?
About 1,033 vehicles per day (2012 count), of which roughly 12% are trucks.
How long is Hedgeside Avenue over Milliken Creek?
The structure is 91 ft (27.7 m) long with a longest span of 15 ft (4.6 m) and a deck 26 ft wide.
Who owns Hedgeside Avenue over Milliken Creek?
It is owned by the County Highway Agency.