SR 4 WB over Lincoln UP RR BNSF RY
PoorSan Joaquin County, California · 10-SJ-004-R16.20-STKN · Structure no. 29 0237L
- Built
- 1972
- 53 years old
- Condition
- Poor
- inspected June 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 595 ft
- 6 main spans
- Daily traffic
- 37,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
SR 4 WB over Lincoln UP RR BNSF RY is a concrete continuous box beam or girders - multiple carrying SR 4 WB over Lincoln UP RR BNSF RY in San Joaquin County, California. It was built in 1972, so it is 53 years old, younger 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 37,000 vehicles a day, roughly 10% of them trucks, projected to reach 57,864 by 2045. The structure is 595 ft (181.4 m) long and 53 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 4 WB over Lincoln UP RR BNSF RY built?
It was built in 1972, making it 53 years old in 2025.
What condition is SR 4 WB over Lincoln UP RR BNSF RY 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 June 2023.
How much traffic does SR 4 WB over Lincoln UP RR BNSF RY carry?
About 37,000 vehicles per day (2009 count), of which roughly 10% are trucks.
How long is SR 4 WB over Lincoln UP RR BNSF RY?
The structure is 595 ft (181.4 m) long with a longest span of 110 ft (33.5 m) and a deck 53 ft wide.
Who owns SR 4 WB over Lincoln UP RR BNSF RY?
It is owned by the State Highway Agency.