White Top Gap Rd. over Horse Creek
Grayson County, Virginia · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- White Top Gap Rd. over Horse Creek in Grayson County, Virginia, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 2014, making it 11 years old at the 2025 inventory.
- It carries about 83 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 23 of the 146 inventoried bridges in Grayson County rated good (15.8%); 10 (6.8%) 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 October 2024, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (36.59439, -81.62173)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 7 | 7 | Good condition |
Bridge details
| Structure | Steel culvert |
| Length | about 21 ft |
| Location | .3 to R753; .6 to R755 |
| NBI structure number | 000000000030412 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Virginia department of transportation.
Busiest bridges in Grayson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Grayson Parkway over Johns Creek | 1977 | 8,574 | Fair |
| Grayson Pkwy over Meadow Creek | 1971 | 8,574 | Fair |
| Grayson Pkwy over Greasy Creek | 1999 | 8,574 | Fair |
| Grayson Pkwy over Greasy Creek | 2000 | 8,574 | Fair |
| Grayson Hwy. over Johns Creek | 2000 | 8,574 | Fair |
| Grayson parkway over Johns Creek | 1999 | 8,574 | Fair |
All bridges nearby: Grayson County, VA bridge conditions · every bridge in Grayson County · Virginia bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.