Hahn Road over Interstate 5
PoorColusa County, California · 03-COL-005-R10.31 · Structure no. 15 0061
- Built
- 1967
- 58 years old
- Condition
- Poor
- inspected January 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 222 ft
- 2 main spans
- Daily traffic
- 500
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
Hahn Road over Interstate 5 is a concrete continuous box beam or girders - multiple carrying Hahn Road over Interstate 5 in Colusa County, California. It was built in 1967, so it is 58 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 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 500 vehicles a day, roughly 15% of them trucks, projected to reach 792 by 2044. The structure is 222 ft (67.7 m) long and 34 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Hahn Road over Interstate 5 built?
It was built in 1967, making it 58 years old in 2025.
What condition is Hahn Road over Interstate 5 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 January 2024.
How much traffic does Hahn Road over Interstate 5 carry?
About 500 vehicles per day (2017 count), of which roughly 15% are trucks.
How long is Hahn Road over Interstate 5?
The structure is 222 ft (67.7 m) long with a longest span of 110 ft (33.5 m) and a deck 34 ft wide.
Who owns Hahn Road over Interstate 5?
It is owned by the State Highway Agency.