Tennant RD over Antelope Creek
GoodSiskiyou County, California · 0.05 MI N Long Prairie R · Structure no. 02C0174
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected June 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 38 ft
- 1 main span
- Daily traffic
- 104
- 2011 count
- Owner
- County
- County Highway Agency
About this bridge
Tennant RD over Antelope Creek is a prestressed concrete slab carrying Tennant RD over Antelope Creek in Siskiyou County, California. It was built in 1988, so it is 37 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 104 vehicles a day, roughly 25% of them trucks, projected to reach 109 by 2041. The structure is 38 ft (11.6 m) long and 24 ft wide. If it were closed, the detour would be 9.9 mi (16 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 Tennant RD over Antelope Creek built?
It was built in 1988, making it 37 years old in 2025.
What condition is Tennant RD over Antelope Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.
How much traffic does Tennant RD over Antelope Creek carry?
About 104 vehicles per day (2011 count), of which roughly 25% are trucks.
How long is Tennant RD over Antelope Creek?
The structure is 38 ft (11.6 m) long with a longest span of 37 ft (11.2 m) and a deck 24 ft wide.
Who owns Tennant RD over Antelope Creek?
It is owned by the County Highway Agency.