SH 3 over Cow Bayou
GoodHarris County, Texas · 0.80 MI NW of Nasa RD 1 · Structure no. 121020005102009
- Built
- 1925
- 100 years old, rebuilt 1994
- Condition
- Good
- inspected November 2024
- Type
- Culvert
- Concrete
- Length
- 22 ft
- 2 main spans
- Daily traffic
- 26,144
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
SH 3 over Cow Bayou is a concrete culvert carrying SH 3 over Cow Bayou in Harris County, Texas. It was built in 1925 and reconstructed in 1994, so it is 100 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 26,144 vehicles a day, roughly 6% of them trucks, projected to reach 28,190 by 2033. The structure is 22 ft (6.7 m) long and 72 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 3 over Cow Bayou built?
It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1994.
What condition is SH 3 over Cow Bayou 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 SH 3 over Cow Bayou carry?
About 26,144 vehicles per day (2016 count), of which roughly 6% are trucks.
How long is SH 3 over Cow Bayou?
The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 72 ft wide.
Who owns SH 3 over Cow Bayou?
It is owned by the State Highway Agency.