SH 21 over Mill Creek
GoodNacogdoches County, Texas · 3.20 MI W of US 59 · Structure no. 111740011806080
- Built
- 1987
- 38 years old
- Condition
- Good
- inspected March 2024
- Type
- Culvert
- Concrete
- Length
- 22 ft
- 2 main spans
- Daily traffic
- 3,199
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 21 over Mill Creek is a concrete culvert carrying SH 21 over Mill Creek in Nacogdoches County, Texas. It was built in 1987, so it is 38 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 3,199 vehicles a day, roughly 16% of them trucks, projected to reach 4,479 by 2040. The structure is 22 ft (6.7 m) long and 85 ft wide. If it were closed, the detour would be 19.3 mi (31 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 SH 21 over Mill Creek built?
It was built in 1987, making it 38 years old in 2025.
What condition is SH 21 over Mill Creek 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 March 2024.
How much traffic does SH 21 over Mill Creek carry?
About 3,199 vehicles per day (2020 count), of which roughly 16% are trucks.
How long is SH 21 over Mill Creek?
The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 85 ft wide.
Who owns SH 21 over Mill Creek?
It is owned by the State Highway Agency.