SR1780 over South Muddy Creek
McDowell County, North Carolina · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR1780 over South Muddy Creek in McDowell County, North Carolina, 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 2002, making it 23 years old at the 2025 inventory.
- It carries about 240 vehicles a day (traffic count year 2010).
- Its listed owner is the state highway agency.
- It is one of 104 of the 233 inventoried bridges in McDowell County rated good (44.6%); 21 (9.0%) are rated poor.
- 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 → (35.55015, -81.92476)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Steel culvert |
| Length | about 31 ft |
| Location | 2.4 MI.S.JCT.SR1802 |
| NBI structure number | 000000001110277 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the North Carolina department of transportation.
Busiest bridges in McDowell County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I40 over Big Camp Creek | 1958 | 31,500 | Fair |
| I-40 over Thompsons Fork Creek | 1958 | 31,000 | Fair |
| I-40 over North Muddy Creek | 1958 | 29,000 | Good |
| I-40 over Glades Creek | 1958 | 28,500 | Fair |
| I-40 over Youngs Fork Creek | 1958 | 28,000 | Fair |
| I-40 over Curtis Creek | 1991 | 27,500 | Fair |
All bridges nearby: McDowell County, NC bridge conditions · every bridge in McDowell County · North Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.