Railroad Avenue over East Branch Smithneck CR
PoorSierra County, California · 1/4 MI South of Route 49 · Structure no. 13C0039
- Built
- 1987
- 38 years old
- Condition
- Poor
- inspected August 2023
- Type
- Slab
- Concrete
- Length
- 31 ft
- 1 main span
- Daily traffic
- 1,000
- 2000 count
- Owner
- County
- County Highway Agency
About this bridge
Railroad Avenue over East Branch Smithneck CR is a concrete slab carrying Railroad Avenue over East Branch Smithneck CR in Sierra County, California. It was built in 1987, so it is 38 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 1,000 vehicles a day, roughly 5% of them trucks, projected to reach 1,556 by 2041. The structure is 31 ft (9.4 m) long and 33 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Railroad Avenue over East Branch Smithneck CR built?
It was built in 1987, making it 38 years old in 2025.
What condition is Railroad Avenue over East Branch Smithneck CR in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.
How much traffic does Railroad Avenue over East Branch Smithneck CR carry?
About 1,000 vehicles per day (2000 count), of which roughly 5% are trucks.
How long is Railroad Avenue over East Branch Smithneck CR?
The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.7 m) and a deck 33 ft wide.
Who owns Railroad Avenue over East Branch Smithneck CR?
It is owned by the County Highway Agency.