Hyampom Road over Little Creek
PoorTrinity County, California · 6.0 MI W of SR 3 · Structure no. 05C0039
- Built
- 1955
- 70 years old
- Condition
- Poor
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 22 ft
- 1 main span
- Daily traffic
- 330
- 2000 count
- Owner
- County
- County Highway Agency
About this bridge
Hyampom Road over Little Creek is a steel stringer/multi-beam or girder carrying Hyampom Road over Little Creek in Trinity County, California. It was built in 1955, so it is 70 years old, older 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 2 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 330 vehicles a day, roughly 5% of them trucks, projected to reach 426 by 2042. The structure is 22 ft (6.7 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| 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 Hyampom Road over Little Creek built?
It was built in 1955, making it 70 years old in 2025.
What condition is Hyampom Road over Little Creek 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 May 2024.
How much traffic does Hyampom Road over Little Creek carry?
About 330 vehicles per day (2000 count), of which roughly 5% are trucks.
How long is Hyampom Road over Little Creek?
The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 29 ft wide.
Who owns Hyampom Road over Little Creek?
It is owned by the County Highway Agency.