SH 99 over Brazos River
PoorFort Bend County, Texas · 1.65 MI NE of US 59 · Structure no. 120800351004017
- Built
- 1994
- 31 years old
- Condition
- Poor
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 1,200 ft
- 3 main spans
- Daily traffic
- 18,866
- 2023 count
- Owner
- Toll Authority
- Local Toll Authority
About this bridge
SH 99 over Brazos River is a steel continuous stringer/multi-beam or girder carrying SH 99 over Brazos River in Fort Bend County, Texas. It was built in 1994, so it is 31 years old, younger than the Texas average of 44.4 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 18,866 vehicles a day, roughly 5% of them trucks, projected to reach 26,412 by 2042. The structure is 1,200 ft (365.8 m) long and 73 ft wide. If it were closed, the detour would be 8.1 mi (13 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 99 over Brazos River built?
It was built in 1994, making it 31 years old in 2025.
What condition is SH 99 over Brazos River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.
How much traffic does SH 99 over Brazos River carry?
About 18,866 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is SH 99 over Brazos River?
The structure is 1,200 ft (365.8 m) long with a longest span of 235 ft (71.6 m) and a deck 73 ft wide.
Who owns SH 99 over Brazos River?
It is owned by the Local Toll Authority.