FM 1581 over Frio River
GoodFrio County, Texas · 6.7 MI SW of IH 35 · Structure no. 150830149901255
- Built
- 2009
- 16 years old
- Condition
- Good
- inspected July 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 120 ft
- 3 main spans
- Daily traffic
- 843
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
FM 1581 over Frio River is a prestressed concrete slab carrying FM 1581 over Frio River in Frio County, Texas. It was built in 2009, so it is 16 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 843 vehicles a day, roughly 10% of them trucks, projected to reach 400 by 2036. The structure is 120 ft (36.6 m) long and 34 ft wide. If it were closed, the detour would be 16.8 mi (27 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM 1581 over Frio River built?
It was built in 2009, making it 16 years old in 2025.
What condition is FM 1581 over Frio River 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 July 2024.
How much traffic does FM 1581 over Frio River carry?
About 843 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is FM 1581 over Frio River?
The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 34 ft wide.
Who owns FM 1581 over Frio River?
It is owned by the State Highway Agency.