SR3159 over I85 US29 US52 US70
Davidson County, North Carolina · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR3159 over I85 US29 US52 US70 in Davidson County, North Carolina, 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 2012, making it 13 years old at the 2025 inventory.
- It carries about 4,400 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 154 of the 342 inventoried bridges in Davidson County rated good (45.0%); 15 (4.4%) 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 June 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 → (35.75346, -80.34797)
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 prestressed concrete stringer or multi-beam girder |
| Length | about 204 ft |
| Location | 2.4 Mi. W. Jct. NC47 |
| NBI structure number | 000000000570001 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 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 North Carolina department of transportation.
Busiest bridges in Davidson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I85 US29 US52 US70 over South Potts Creek | 2013 | 84,000 | Good |
| I-85N over SR2025 | 1981 | 53,500 | Good |
| I85 I85 Ramp over Hambys Creek | 1981 | 53,500 | Fair |
| I85 over Pounder Fork Creek | 1978 | 50,500 | Fair |
| I85 & SR2227 over Ponder Creek | 1978 | 50,500 | Fair |
| I85BUS US29 52 70 over North Potts Creek | 1978 | 45,500 | Fair |
All bridges nearby: Davidson County, NC bridge conditions · every bridge in Davidson County · North Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.