US 77 SB over Line M RD
GoodCameron County, Texas · 1.52 MI SE of SH 345 · Structure no. 210310003907373
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 233 ft
- 1 main span
- Daily traffic
- 22,880
- 2011 count
- Owner
- State
- State Highway Agency
About this bridge
US 77 SB over Line M RD is a prestressed concrete stringer/multi-beam or girder carrying US 77 SB over Line M RD 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 22,880 vehicles a day, roughly 9% of them trucks, projected to reach 32,030 by 2031. The structure is 233 ft (71 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
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| 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 Line M RD built?
It was built in 2005, making it 20 years old in 2025.
What condition is US 77 SB over Line M RD in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.
How much traffic does US 77 SB over Line M RD carry?
About 22,880 vehicles per day (2011 count), of which roughly 9% are trucks.
How long is US 77 SB over Line M RD?
The structure is 233 ft (71 m) long with a longest span of 117 ft (35.7 m) and a deck 59 ft wide.
Who owns US 77 SB over Line M RD?
It is owned by the State Highway Agency.