US 77 SB over FM 490
FairWillacy County, Texas · 2.19 MI S of SH 186 · Structure no. 212450032710050
- Built
- 2003
- 22 years old
- Condition
- Fair
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 235 ft
- 1 main span
- Daily traffic
- 3,490
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 77 SB over FM 490 is a prestressed concrete stringer/multi-beam or girder carrying US 77 SB over FM 490 in Willacy County, Texas. It was built in 2003, so it is 22 years old, younger 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 3,490 vehicles a day, roughly 30% of them trucks, projected to reach 7,130 by 2031. The structure is 235 ft (71.6 m) long and 40 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 77 SB over FM 490 built?
It was built in 2003, making it 22 years old in 2025.
What condition is US 77 SB over FM 490 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 February 2023.
How much traffic does US 77 SB over FM 490 carry?
About 3,490 vehicles per day (2022 count), of which roughly 30% are trucks.
How long is US 77 SB over FM 490?
The structure is 235 ft (71.6 m) long with a longest span of 126 ft (38.4 m) and a deck 40 ft wide.
Who owns US 77 SB over FM 490?
It is owned by the State Highway Agency.