3900 South Street over Union Pacific Railroad
FairSalt Lake County, Utah · 300 W. 3900 S. Sl.Co. · Structure no. 035127F
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 179 ft
- 3 main spans
- Daily traffic
- 43,650
- 2013 count
- Owner
- County
- County Highway Agency
About this bridge
3900 South Street over Union Pacific Railroad is a prestressed concrete stringer/multi-beam or girder carrying 3900 South Street over Union Pacific Railroad in Salt Lake County, Utah. It was built in 1965, so it is 60 years old, older than the Utah average of 40.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 43,650 vehicles a day, roughly 2% of them trucks, projected to reach 53,035 by 2033. The structure is 179 ft (54.6 m) long and 76 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 3900 South Street over Union Pacific Railroad built?
It was built in 1965, making it 60 years old in 2025.
What condition is 3900 South Street over Union Pacific Railroad 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 June 2024.
How much traffic does 3900 South Street over Union Pacific Railroad carry?
About 43,650 vehicles per day (2013 count), of which roughly 2% are trucks.
How long is 3900 South Street over Union Pacific Railroad?
The structure is 179 ft (54.6 m) long with a longest span of 78 ft (23.8 m) and a deck 76 ft wide.
Who owns 3900 South Street over Union Pacific Railroad?
It is owned by the County Highway Agency.