FM 1146 over Birch Creek
GoodLeon County, Texas · 1.45 MI S of FM 1469 · Structure no. 171450114802002
- Built
- 1979
- 46 years old
- Condition
- Good
- inspected January 2024
- Type
- Culvert
- Concrete
- Length
- 54 ft
- 5 main spans
- Daily traffic
- 282
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
FM 1146 over Birch Creek is a concrete culvert carrying FM 1146 over Birch Creek in Leon County, Texas. It was built in 1979, so it is 46 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 282 vehicles a day, roughly 8% of them trucks, projected to reach 420 by 2033. The structure is 54 ft (16.5 m) long and 36 ft wide. If it were closed, the detour would be 14.3 mi (23 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 FM 1146 over Birch Creek built?
It was built in 1979, making it 46 years old in 2025.
What condition is FM 1146 over Birch 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 January 2024.
How much traffic does FM 1146 over Birch Creek carry?
About 282 vehicles per day (2020 count), of which roughly 8% are trucks.
How long is FM 1146 over Birch Creek?
The structure is 54 ft (16.5 m) long with a longest span of 10 ft (3 m) and a deck 36 ft wide.
Who owns FM 1146 over Birch Creek?
It is owned by the State Highway Agency.