SR 70 over Montgomery Street
FairButte County, California · 03-BUT-070-14.61-OVL · Structure no. 12 0146
- Built
- 1963
- 62 years old
- Condition
- Fair
- inspected May 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 137 ft
- 3 main spans
- Daily traffic
- 20,100
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SR 70 over Montgomery Street is a concrete continuous tee beam carrying SR 70 over Montgomery Street in Butte County, California. It was built in 1963, so it is 62 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 20,100 vehicles a day, roughly 15% of them trucks, projected to reach 24,353 by 2041. The structure is 137 ft (41.8 m) long and 89 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 SR 70 over Montgomery Street built?
It was built in 1963, making it 62 years old in 2025.
What condition is SR 70 over Montgomery Street in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.
How much traffic does SR 70 over Montgomery Street carry?
About 20,100 vehicles per day (2020 count), of which roughly 15% are trucks.
How long is SR 70 over Montgomery Street?
The structure is 137 ft (41.8 m) long with a longest span of 56 ft (17.2 m) and a deck 89 ft wide.
Who owns SR 70 over Montgomery Street?
It is owned by the State Highway Agency.