FM 985 over Onion Creek Slough
GoodEllis County, Texas · 3.4 MI S of SH 34 · Structure no. 180710121201004
- Built
- 1972
- 53 years old
- Condition
- Good
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Concrete
- Length
- 320 ft
- 8 main spans
- Daily traffic
- 293
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
FM 985 over Onion Creek Slough is a concrete stringer/multi-beam or girder carrying FM 985 over Onion Creek Slough in Ellis County, Texas. It was built in 1972, so it is 53 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 293 vehicles a day, roughly 6% of them trucks, projected to reach 630 by 2033. The structure is 320 ft (97.5 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM 985 over Onion Creek Slough built?
It was built in 1972, making it 53 years old in 2025.
What condition is FM 985 over Onion Creek Slough 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 December 2023.
How much traffic does FM 985 over Onion Creek Slough carry?
About 293 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is FM 985 over Onion Creek Slough?
The structure is 320 ft (97.5 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.
Who owns FM 985 over Onion Creek Slough?
It is owned by the State Highway Agency.