SH 99 Sbml over Mason Creek
GoodHarris County, Texas · 0.9 MI N of IH 10 · Structure no. 121020351005069
- Built
- 2014
- 11 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 186 ft
- 3 main spans
- Daily traffic
- 14,653
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
SH 99 Sbml over Mason Creek is a prestressed concrete stringer/multi-beam or girder carrying SH 99 Sbml over Mason Creek in Harris County, Texas. It was built in 2014, so it is 11 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 14,653 vehicles a day, roughly 10% of them trucks, projected to reach 6,050 by 2033. The structure is 186 ft (56.7 m) long and 52 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. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 99 Sbml over Mason Creek built?
It was built in 2014, making it 11 years old in 2025.
What condition is SH 99 Sbml over Mason Creek 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 SH 99 Sbml over Mason Creek carry?
About 14,653 vehicles per day (2016 count), of which roughly 10% are trucks.
How long is SH 99 Sbml over Mason Creek?
The structure is 186 ft (56.7 m) long with a longest span of 62 ft (18.9 m) and a deck 52 ft wide.
Who owns SH 99 Sbml over Mason Creek?
It is owned by the State Highway Agency.