State Route 299 over Glendale DR
FairHumboldt County, California · 01-HUM-299-R3.78 · Structure no. 04 0186
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected January 2025
- Type
- Tee Beam
- Concrete Continuous
- Length
- 164 ft
- 3 main spans
- Daily traffic
- 11,200
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 299 over Glendale DR is a concrete continuous tee beam carrying State Route 299 over Glendale DR in Humboldt County, California. It was built in 1965, so it is 60 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 11,200 vehicles a day, roughly 9% of them trucks, projected to reach 14,228 by 2045. The structure is 164 ft (50 m) long and 89 ft wide. If it were closed, the detour would be 31.7 mi (51 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 299 over Glendale DR built?
It was built in 1965, making it 60 years old in 2025.
What condition is State Route 299 over Glendale DR 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 January 2025.
How much traffic does State Route 299 over Glendale DR carry?
About 11,200 vehicles per day (2009 count), of which roughly 9% are trucks.
How long is State Route 299 over Glendale DR?
The structure is 164 ft (50 m) long with a longest span of 74 ft (22.6 m) and a deck 89 ft wide.
Who owns State Route 299 over Glendale DR?
It is owned by the State Highway Agency.