SH 99 Sbml over IH 10 & Mercantile Pkwy
GoodHarris County, Texas · 3.4 MI W of Fry RD · Structure no. 121020027106687
- Built
- 2013
- 12 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 2,607 ft
- 22 main spans
- Daily traffic
- 31,240
- 2013 count
- Owner
- State
- State Highway Agency
About this bridge
SH 99 Sbml over IH 10 & Mercantile Pkwy is a prestressed concrete stringer/multi-beam or girder carrying SH 99 Sbml over IH 10 & Mercantile Pkwy in Harris County, Texas. It was built in 2013, so it is 12 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 31,240 vehicles a day, roughly 6% of them trucks, projected to reach 43,740 by 2033. The structure is 2,607 ft (794.6 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 99 Sbml over IH 10 & Mercantile Pkwy built?
It was built in 2013, making it 12 years old in 2025.
What condition is SH 99 Sbml over IH 10 & Mercantile Pkwy 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 IH 10 & Mercantile Pkwy carry?
About 31,240 vehicles per day (2013 count), of which roughly 6% are trucks.
How long is SH 99 Sbml over IH 10 & Mercantile Pkwy?
The structure is 2,607 ft (794.6 m) long with a longest span of 125 ft (38.1 m) and a deck 52 ft wide.
Who owns SH 99 Sbml over IH 10 & Mercantile Pkwy?
It is owned by the State Highway Agency.