SR1710 over Harmon Creek
Yadkin County, North Carolina · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR1710 over Harmon Creek in Yadkin County, North Carolina, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1967, making it 58 years old at the 2025 inventory.
- It carries about 440 vehicles a day (traffic count year 2016).
- Its listed owner is the state highway agency.
- It is one of 17 of the 169 inventoried bridges in Yadkin County rated poor (10.1%); 17 (10.1%) are rated poor.
- Its traffic status in the 2025 inventory is open, would be posted or closed except for temporary shoring or other temporary measures (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated June 2023, on a 24-month routine inspection cycle.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (36.10086, -80.58127)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 4 | 4 | Poor condition |
Bridge details
| Structure | Prestressed concrete slab |
| Length | about 45 ft |
| Location | .5 MI.S.JCT.SR1733 |
| NBI structure number | 000000001970011 |
| Condition class | Poor |
| Traffic status (item 41) | Open, would be posted or closed except for temporary shoring or other temporary measures |
| Last inspection (item 90) | June 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 North Carolina department of transportation.
Busiest bridges in Yadkin County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-77 over Fall Creek | 1973 | 31,000 | Fair |
| I-77 over Ut to South Deep Creek | 1974 | 30,000 | Good |
| I-77 over Arnold Branch | 1974 | 27,500 | Fair |
| US421 over S.deep Creek Trib | 2001 | 19,000 | Good |
| I-77 Nbl over NC67 | 1964 | 15,250 | Fair |
| I-77 Sbl over NC67 | 1964 | 15,250 | Fair |
All bridges nearby: Yadkin County, NC bridge conditions · every bridge in Yadkin County · North Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.