Old HWY 99 South over Schulmeyer Gulch
FairSiskiyou County, California · 2.4 MI NW of 99-97 Cutoff · Structure no. 02C0286
- Built
- 2019
- 6 years old
- Condition
- Fair
- inspected May 2024
- Type
- Slab
- Concrete
- Length
- 36 ft
- 1 main span
- Daily traffic
- 1,000
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Old HWY 99 South over Schulmeyer Gulch is a concrete slab carrying Old HWY 99 South over Schulmeyer Gulch in Siskiyou County, California. It was built in 2019, so it is 6 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 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 1,300 by 2044. The structure is 36 ft (10.9 m) long and 33 ft wide.
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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old HWY 99 South over Schulmeyer Gulch built?
It was built in 2019, making it 6 years old in 2025.
What condition is Old HWY 99 South over Schulmeyer Gulch 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 Old HWY 99 South over Schulmeyer Gulch carry?
About 1,000 vehicles per day (2024 count), of which roughly 3% are trucks.
How long is Old HWY 99 South over Schulmeyer Gulch?
The structure is 36 ft (10.9 m) long with a longest span of 33 ft (10.2 m) and a deck 33 ft wide.
Who owns Old HWY 99 South over Schulmeyer Gulch?
It is owned by the County Highway Agency.