FM 455W over SH 121
GoodCollin County, Texas · 7.8 MI NE of US 75 · Structure no. 180430054903234
- Built
- 2023
- 2 years old
- Condition
- Good
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 210 ft
- 2 main spans
- Daily traffic
- 900
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
FM 455W over SH 121 is a prestressed concrete stringer/multi-beam or girder carrying FM 455W over SH 121 in Collin County, Texas. It was built in 2023, so it is 2 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 900 vehicles a day, roughly 3% of them trucks, projected to reach 2,400 by 2047. The structure is 210 ft (64 m) long and 116 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM 455W over SH 121 built?
It was built in 2023, making it 2 years old in 2025.
What condition is FM 455W over SH 121 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 February 2023.
How much traffic does FM 455W over SH 121 carry?
About 900 vehicles per day (2017 count), of which roughly 3% are trucks.
How long is FM 455W over SH 121?
The structure is 210 ft (64 m) long with a longest span of 105 ft (32 m) and a deck 116 ft wide.
Who owns FM 455W over SH 121?
It is owned by the State Highway Agency.