FM 1660 over Avery Branch
GoodWilliamson County, Texas · 1.30 MI E of FM 973 · Structure no. 142460120001031
- Built
- 1993
- 32 years old
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 80 ft
- 1 main span
- Daily traffic
- 1,933
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
FM 1660 over Avery Branch is a prestressed concrete stringer/multi-beam or girder carrying FM 1660 over Avery Branch in Williamson County, Texas. It was built in 1993, so it is 32 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 1,933 vehicles a day, roughly 6% of them trucks, projected to reach 2,474 by 2041. The structure is 80 ft (24.4 m) long and 36 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM 1660 over Avery Branch built?
It was built in 1993, making it 32 years old in 2025.
What condition is FM 1660 over Avery Branch 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 2023.
How much traffic does FM 1660 over Avery Branch carry?
About 1,933 vehicles per day (2021 count), of which roughly 6% are trucks.
How long is FM 1660 over Avery Branch?
The structure is 80 ft (24.4 m) long with a longest span of 80 ft (24.4 m) and a deck 36 ft wide.
Who owns FM 1660 over Avery Branch?
It is owned by the State Highway Agency.