Natural Tunnel Pky over Norfolk Southern RR
Scott County, Virginia · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Natural Tunnel Pky over Norfolk Southern RR in Scott County, Virginia, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1999, making it 26 years old at the 2025 inventory.
- It carries about 354 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 27 of the 138 inventoried bridges in Scott County rated good (19.6%); 14 (10.1%) 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 April 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 → (36.73012, -82.76164)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 132 ft |
| Location | 0.46 to 654; 0.01 to 653 |
| NBI structure number | 000000000026290 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 2024 |
| 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 Virginia department of transportation.
Busiest bridges in Scott County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US Highway 23 over Branch | 1932 | 20,812 | Fair |
| Route 23 over N Fork Holston River | 1943 | 20,812 | Good |
| Route 23 Business over NS Rr;little Moccasin Ck | 2000 | 15,883 | Fair |
| US23/58/421 over Clinch River | 1971 | 12,606 | Fair |
| US Highway 23 over Troublesome Creek | 1970 | 12,606 | Fair |
| US Highway 23 over Troublesome Creek | 1970 | 12,606 | Fair |
All bridges nearby: Scott County, VA bridge conditions · every bridge in Scott County · Virginia bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.