US 77 Business SB over Brazos River
FairMcLennan County, Texas · 0.5 MI N of FM 434 · Structure no. 091610001410170
- Built
- 1961
- 64 years old
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 891 ft
- 3 main spans
- Daily traffic
- 4,853
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
US 77 Business SB over Brazos River is a steel continuous stringer/multi-beam or girder carrying US 77 Business SB over Brazos River in McLennan County, Texas. It was built in 1961, so it is 64 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 5 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 4,853 vehicles a day, roughly 12% of them trucks, projected to reach 6,895 by 2037. The structure is 891 ft (271.6 m) long and 45 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 77 Business SB over Brazos River built?
It was built in 1961, making it 64 years old in 2025.
What condition is US 77 Business SB over Brazos River 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 April 2023.
How much traffic does US 77 Business SB over Brazos River carry?
About 4,853 vehicles per day (2017 count), of which roughly 12% are trucks.
How long is US 77 Business SB over Brazos River?
The structure is 891 ft (271.6 m) long with a longest span of 162 ft (49.4 m) and a deck 45 ft wide.
Who owns US 77 Business SB over Brazos River?
It is owned by the State Highway Agency.