South Main Street over Blacks Run
Harrisonburg city, Virginia · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- South Main Street over Blacks Run in Harrisonburg city, Virginia, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1978, making it 47 years old at the 2025 inventory.
- It carries about 18,299 vehicles a day (traffic count year 2022).
- Its listed owner is a city or municipal highway agency.
- It is one of 13 of the 34 inventoried bridges in Harrisonburg city rated fair (38.2%); 3 (8.8%) 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 November 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 → (38.43092, -78.8839)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 36 ft |
| Location | 0007MILLER CK0007MNMNT Av |
| NBI structure number | 000000000020436 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | November 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Virginia department of transportation.
Busiest bridges in Harrisonburg city
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Port Republic Road over I-81 | 1960 | 26,766 | Fair |
| Reservoir Street over Sieberts Creek | 1998 | 20,994 | Good |
| Reservoir Street over I-81 | 1999 | 20,994 | Good |
| Stone Spring Rd over I-81 | 2012 | 19,000 | Good |
| Stone Spring Road over Blacks Run & NS RR | 2012 | 19,000 | Good |
| Route 33 Ebl over I-81 | 1960 | 14,883 | Poor |
All bridges nearby: Harrisonburg city, VA bridge conditions · every bridge in Harrisonburg city · Virginia bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.