Houghton Road over State Route 99
PoorKern County, California · 06-KER-099-15.43 · Structure no. 50 0244
- Built
- 1962
- 63 years old
- Condition
- Poor
- inspected December 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 285 ft
- 4 main spans
- Daily traffic
- 3,515
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
Houghton Road over State Route 99 is a concrete continuous box beam or girders - multiple carrying Houghton Road over State Route 99 in Kern County, California. It was built in 1962, so it is 63 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 3,515 vehicles a day, roughly 20% of them trucks, projected to reach 4,190 by 2043. The structure is 285 ft (86.9 m) long and 41 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Houghton Road over State Route 99 built?
It was built in 1962, making it 63 years old in 2025.
What condition is Houghton Road over State Route 99 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 December 2023.
How much traffic does Houghton Road over State Route 99 carry?
About 3,515 vehicles per day (2015 count), of which roughly 20% are trucks.
How long is Houghton Road over State Route 99?
The structure is 285 ft (86.9 m) long with a longest span of 94 ft (28.7 m) and a deck 41 ft wide.
Who owns Houghton Road over State Route 99?
It is owned by the State Highway Agency.