Blalock RD over Drainage Ditch
GoodHarris County, Texas · 0.01 MI N of Emnora LN · Structure no. 121020B08129010
- Built
- 1980
- 45 years old
- Condition
- Good
- inspected September 2023
- Type
- Culvert
- Concrete
- Length
- 24 ft
- 2 main spans
- Daily traffic
- 10,000
- 2013 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Blalock RD over Drainage Ditch is a concrete culvert carrying Blalock RD over Drainage Ditch in Harris County, Texas. It was built in 1980, so it is 45 years old, older 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 10,000 vehicles a day, roughly 10% of them trucks, projected to reach 15,000 by 2033. The structure is 24 ft (7.3 m) long and 150 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Blalock RD over Drainage Ditch built?
It was built in 1980, making it 45 years old in 2025.
What condition is Blalock RD over Drainage Ditch 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 2023.
How much traffic does Blalock RD over Drainage Ditch carry?
About 10,000 vehicles per day (2013 count), of which roughly 10% are trucks.
How long is Blalock RD over Drainage Ditch?
The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.4 m) and a deck 150 ft wide.
Who owns Blalock RD over Drainage Ditch?
It is owned by the City or Municipal Highway Agency.