US 79 NB over UP RR
FairWilliamson County, Texas · 3.25 MI E of FM 973 · Structure no. 142460032004075
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 225 ft
- 3 main spans
- Daily traffic
- 4,226
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 79 NB over UP RR is a prestressed concrete stringer/multi-beam or girder carrying US 79 NB over UP RR in Williamson County, Texas. It was built in 1972, so it is 53 years old, older than the Texas average of 44.4 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 4,226 vehicles a day, roughly 31% of them trucks, projected to reach 8,100 by 2039. The structure is 225 ft (68.6 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 79 NB over UP RR built?
It was built in 1972, making it 53 years old in 2025.
What condition is US 79 NB 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 March 2023.
How much traffic does US 79 NB over UP RR carry?
About 4,226 vehicles per day (2023 count), of which roughly 31% are trucks.
How long is US 79 NB over UP RR?
The structure is 225 ft (68.6 m) long with a longest span of 75 ft (22.9 m) and a deck 50 ft wide.
Who owns US 79 NB over UP RR?
It is owned by the State Highway Agency.