US 77 NB over FM 1479/ARROYO Colorado
FairCameron County, Texas · 1.40 MI NW of FM 801 · Structure no. 210310003907307
- Built
- 2005
- 20 years old
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 609 ft
- 5 main spans
- Daily traffic
- 50,624
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 77 NB over FM 1479/ARROYO Colorado is a prestressed concrete stringer/multi-beam or girder carrying US 77 NB over FM 1479/ARROYO Colorado in Cameron County, Texas. It was built in 2005, so it is 20 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 50,624 vehicles a day, roughly 8% of them trucks, projected to reach 35,840 by 2031. The structure is 609 ft (185.6 m) long and 59 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 77 NB over FM 1479/ARROYO Colorado built?
It was built in 2005, making it 20 years old in 2025.
What condition is US 77 NB over FM 1479/ARROYO Colorado 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 77 NB over FM 1479/ARROYO Colorado carry?
About 50,624 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is US 77 NB over FM 1479/ARROYO Colorado?
The structure is 609 ft (185.6 m) long with a longest span of 120 ft (36.6 m) and a deck 59 ft wide.
Who owns US 77 NB over FM 1479/ARROYO Colorado?
It is owned by the State Highway Agency.