US 75 over FM 121
Grayson County, Texas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 75 over FM 121 in Grayson County, Texas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1965 and reconstructed in 2003, making it 60 years old at the 2025 inventory.
- It carries about 41,907 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 298 of the 508 inventoried bridges in Grayson County rated fair (58.7%); 9 (1.8%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated March 2023, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (33.42157, -96.58885)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 149 ft |
| Location | Int of US 75 and FM 121 |
| NBI structure number | 010920004713180 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Texas department of transportation.
Busiest bridges in Grayson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 75 over N Travis St | 2023 | 72,400 | Good |
| US 75 over SH 91 | 2023 | 72,400 | Good |
| US 75 over Shepherd Dr | 2005 | 50,688 | Fair |
| US 75 over Draw | 1965 | 41,907 | Fair |
| US 75 over W Farmington/blythe Rd | 1965 | 40,131 | Fair |
| US 75 over E Prong Whites Creek | 1965 | 40,131 | Fair |
All bridges nearby: Grayson County, TX bridge conditions · every bridge in Grayson County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.