SH99 SB / SH146 SB over SH 146 Ml
GoodHarris County, Texas · At Bu 146 & SH 146 Inter. · Structure no. 121020038913110
- Built
- 1996
- 29 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 1,240 ft
- 3 main spans
- Daily traffic
- 13,700
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SH99 SB / SH146 SB over SH 146 Ml is a steel continuous stringer/multi-beam or girder carrying SH99 SB / SH146 SB over SH 146 Ml in Harris County, Texas. It was built in 1996, so it is 29 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 13,700 vehicles a day, roughly 14% of them trucks, projected to reach 19,180 by 2042. The structure is 1,240 ft (378 m) long and 39 ft wide.
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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH99 SB / SH146 SB over SH 146 Ml built?
It was built in 1996, making it 29 years old in 2025.
What condition is SH99 SB / SH146 SB over SH 146 Ml 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 September 2024.
How much traffic does SH99 SB / SH146 SB over SH 146 Ml carry?
About 13,700 vehicles per day (2023 count), of which roughly 14% are trucks.
How long is SH99 SB / SH146 SB over SH 146 Ml?
The structure is 1,240 ft (378 m) long with a longest span of 220 ft (67.1 m) and a deck 39 ft wide.
Who owns SH99 SB / SH146 SB over SH 146 Ml?
It is owned by the State Highway Agency.