Grant ST over Garnett Creek
FairNapa County, California · 0.2 MI SE Greenwood Ave · Structure no. 21C0103
- Built
- 1918
- 107 years old, rebuilt 1948
- Condition
- Fair
- inspected May 2024
- Type
- Tee Beam
- Concrete
- Length
- 39 ft
- 1 main span
- Daily traffic
- 1,000
- 1981 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Grant ST over Garnett Creek is a concrete tee beam carrying Grant ST over Garnett Creek in Napa County, California. It was built in 1918 and reconstructed in 1948, so it is 107 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 1,000 vehicles a day, roughly 3% of them trucks, projected to reach 1,641 by 2042. The structure is 39 ft (11.9 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Grant ST over Garnett Creek built?
It was built in 1918, making it 107 years old in 2025. It was reconstructed in 1948.
What condition is Grant ST over Garnett 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 Grant ST over Garnett Creek carry?
About 1,000 vehicles per day (1981 count), of which roughly 3% are trucks.
How long is Grant ST over Garnett Creek?
The structure is 39 ft (11.9 m) long with a longest span of 35 ft (10.7 m) and a deck 31 ft wide.
Who owns Grant ST over Garnett Creek?
It is owned by the City or Municipal Highway Agency.