SH 99 NB over Ditch M
GoodFort Bend County, Texas · 2.0 MI NE of IH 69/US 59 · Structure no. 120800351004103
- Built
- 2017
- 8 years old
- Condition
- Good
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 150 ft
- 3 main spans
- Daily traffic
- 9,433
- 2023 count
- Owner
- Toll Authority
- Local Toll Authority
About this bridge
SH 99 NB over Ditch M is a prestressed concrete stringer/multi-beam or girder carrying SH 99 NB over Ditch M in Fort Bend County, Texas. It was built in 2017, so it is 8 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 9,433 vehicles a day, roughly 5% of them trucks, projected to reach 13,206 by 2042. The structure is 150 ft (45.7 m) long and 63 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 99 NB over Ditch M built?
It was built in 2017, making it 8 years old in 2025.
What condition is SH 99 NB over Ditch M 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 December 2024.
How much traffic does SH 99 NB over Ditch M carry?
About 9,433 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is SH 99 NB over Ditch M?
The structure is 150 ft (45.7 m) long with a longest span of 50 ft (15.2 m) and a deck 63 ft wide.
Who owns SH 99 NB over Ditch M?
It is owned by the Local Toll Authority.