FM 99 over Frio River
GoodMcMullen County, Texas · 5.70 MI NE of SH 72 · Structure no. 151620034813029
- Built
- 1980
- 45 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 790 ft
- 10 main spans
- Daily traffic
- 549
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
FM 99 over Frio River is a prestressed concrete stringer/multi-beam or girder carrying FM 99 over Frio River in McMullen County, Texas. It was built in 1980, so it is 45 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 549 vehicles a day, roughly 52% of them trucks, projected to reach 769 by 2042. The structure is 790 ft (240.8 m) long and 42 ft wide. If it were closed, the detour would be 31.1 mi (50 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 99 over Frio River built?
It was built in 1980, making it 45 years old in 2025.
What condition is FM 99 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 99 over Frio River carry?
About 549 vehicles per day (2023 count), of which roughly 52% are trucks.
How long is FM 99 over Frio River?
The structure is 790 ft (240.8 m) long with a longest span of 80 ft (24.4 m) and a deck 42 ft wide.
Who owns FM 99 over Frio River?
It is owned by the State Highway Agency.