SH 99 WB Exit Ramp over Natural Ground
GoodHarris County, Texas · 0.10 MI W of IH 45 · Structure no. 121020351006119
- Built
- 2016
- 9 years old
- Condition
- Good
- inspected November 2022
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 335 ft
- 3 main spans
- Daily traffic
- 2,632
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SH 99 WB Exit Ramp over Natural Ground is a prestressed concrete stringer/multi-beam or girder carrying SH 99 WB Exit Ramp over Natural Ground in Harris County, Texas. It was built in 2016, so it is 9 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 2,632 vehicles a day, projected to reach 1,500 by 2036. The structure is 335 ft (102.1 m) long and 28 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 99 WB Exit Ramp over Natural Ground built?
It was built in 2016, making it 9 years old in 2025.
What condition is SH 99 WB Exit Ramp over Natural Ground 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 November 2022.
How much traffic does SH 99 WB Exit Ramp over Natural Ground carry?
About 2,632 vehicles per day (2024 count).
How long is SH 99 WB Exit Ramp over Natural Ground?
The structure is 335 ft (102.1 m) long with a longest span of 115 ft (35.1 m) and a deck 28 ft wide.
Who owns SH 99 WB Exit Ramp over Natural Ground?
It is owned by the State Highway Agency.