SH 99 NB Exit Ramp over Ditch M
GoodFort Bend County, Texas · 1.95 MI N of US 59 · Structure no. 120800351004019
- Built
- 1994
- 31 years old
- Condition
- Good
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 140 ft
- 3 main spans
- Daily traffic
- 3,683
- 2024 count
- Owner
- Toll Authority
- Local Toll Authority
About this bridge
SH 99 NB Exit Ramp over Ditch M is a prestressed concrete box beam or girders - multiple carrying SH 99 NB Exit Ramp over Ditch M in Fort Bend County, Texas. It was built in 1994, so it is 31 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 3,683 vehicles a day, roughly 7% of them trucks, projected to reach 12,840 by 2033. The structure is 140 ft (42.7 m) long and 43 ft wide. If it were closed, the detour would be 8.1 mi (13 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. |
| 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 Exit Ramp over Ditch M built?
It was built in 1994, making it 31 years old in 2025.
What condition is SH 99 NB Exit Ramp 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 September 2024.
How much traffic does SH 99 NB Exit Ramp over Ditch M carry?
About 3,683 vehicles per day (2024 count), of which roughly 7% are trucks.
How long is SH 99 NB Exit Ramp over Ditch M?
The structure is 140 ft (42.7 m) long with a longest span of 49 ft (14.9 m) and a deck 43 ft wide.
Who owns SH 99 NB Exit Ramp over Ditch M?
It is owned by the Local Toll Authority.