US 77 NB over SH 345 (sam Houston Blv)
GoodCameron County, Texas · 2.10 MI NW of FM 732 · Structure no. 210310003907368
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 210 ft
- 1 main span
- Daily traffic
- 39,897
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 77 NB over SH 345 (sam Houston Blv) is a prestressed concrete stringer/multi-beam or girder carrying US 77 NB over SH 345 (sam Houston Blv) 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 39,897 vehicles a day, roughly 8% of them trucks, projected to reach 44,520 by 2031. The structure is 210 ft (64 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 NB over SH 345 (sam Houston Blv) built?
It was built in 2005, making it 20 years old in 2025.
What condition is US 77 NB over SH 345 (sam Houston Blv) 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 NB over SH 345 (sam Houston Blv) carry?
About 39,897 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is US 77 NB over SH 345 (sam Houston Blv)?
The structure is 210 ft (64 m) long with a longest span of 112 ft (34.1 m) and a deck 59 ft wide.
Who owns US 77 NB over SH 345 (sam Houston Blv)?
It is owned by the State Highway Agency.