US 290 WB Off-Ramp over Mangum Road
GoodHarris County, Texas · 0.2 MI W of IH 610 · Structure no. 121020005009470
- Built
- 2017
- 8 years old
- Condition
- Good
- inspected November 2024
- Type
- Box Beam or Girders - Multiple
- Steel
- Length
- 993 ft
- 1 main span
- Daily traffic
- 3,000
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
US 290 WB Off-Ramp over Mangum Road is a steel box beam or girders - multiple carrying US 290 WB Off-Ramp over Mangum Road in Harris 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 3,000 vehicles a day, roughly 3% of them trucks, projected to reach 4,210 by 2036. The structure is 993 ft (302.7 m) long and 26 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 290 WB Off-Ramp over Mangum Road built?
It was built in 2017, making it 8 years old in 2025.
What condition is US 290 WB Off-Ramp over Mangum Road 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 2024.
How much traffic does US 290 WB Off-Ramp over Mangum Road carry?
About 3,000 vehicles per day (2016 count), of which roughly 3% are trucks.
How long is US 290 WB Off-Ramp over Mangum Road?
The structure is 993 ft (302.7 m) long with a longest span of 196 ft (59.7 m) and a deck 26 ft wide.
Who owns US 290 WB Off-Ramp over Mangum Road?
It is owned by the State Highway Agency.