State Route 139 over UP RR
FairModoc County, California · 02-MOD-139-30.63 · Structure no. 03 0033
- Built
- 1954
- 71 years old, rebuilt 1994
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 94 ft
- 1 main span
- Daily traffic
- 2,000
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 139 over UP RR is a steel stringer/multi-beam or girder carrying State Route 139 over UP RR in Modoc County, California. It was built in 1954 and reconstructed in 1994, so it is 71 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 2,000 vehicles a day, roughly 13% of them trucks, projected to reach 3,650 by 2040. The structure is 94 ft (28.7 m) long and 35 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 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 139 over UP RR built?
It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1994.
What condition is State Route 139 over UP RR 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 April 2023.
How much traffic does State Route 139 over UP RR carry?
About 2,000 vehicles per day (2015 count), of which roughly 13% are trucks.
How long is State Route 139 over UP RR?
The structure is 94 ft (28.7 m) long with a longest span of 47 ft (14.3 m) and a deck 35 ft wide.
Who owns State Route 139 over UP RR?
It is owned by the State Highway Agency.