SH 99 WB on Ramp over Willow Flats
FairHarris County, Texas · 0.25 MI W of Telge RD · Structure no. 121020351006181
- Built
- 2015
- 10 years old
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 590 ft
- 5 main spans
- Daily traffic
- 1,487
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SH 99 WB on Ramp over Willow Flats is a prestressed concrete stringer/multi-beam or girder carrying SH 99 WB on Ramp over Willow Flats in Harris County, Texas. It was built in 2015, so it is 10 years old, younger than the Texas average of 44.4 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 1,487 vehicles a day, roughly 2% of them trucks, projected to reach 2,000 by 2035. The structure is 590 ft (179.8 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
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 8 Very Good | No problems noted. |
| 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 WB on Ramp over Willow Flats built?
It was built in 2015, making it 10 years old in 2025.
What condition is SH 99 WB on Ramp over Willow Flats in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.
How much traffic does SH 99 WB on Ramp over Willow Flats carry?
About 1,487 vehicles per day (2024 count), of which roughly 2% are trucks.
How long is SH 99 WB on Ramp over Willow Flats?
The structure is 590 ft (179.8 m) long with a longest span of 120 ft (36.6 m) and a deck 28 ft wide.
Who owns SH 99 WB on Ramp over Willow Flats?
It is owned by the State Highway Agency.