SR1001(CLOSED) over US421
Forsyth County, North Carolina · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR1001(CLOSED) over US421 in Forsyth County, North Carolina, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 3 (serious condition) on the 0-9 scale.
- It was built in 1958, making it 67 years old at the 2025 inventory.
- It carries about 1,800 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 44 of the 462 inventoried bridges in Forsyth County rated poor (9.5%); 44 (9.5%) are rated poor.
- 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 → (36.10088, -80.46873)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 3 | Serious condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 291 ft |
| Location | 1.1 Mi. N. Jct. SR1301 |
| NBI structure number | 000000000670138 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the North Carolina department of transportation.
Busiest bridges in Forsyth County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I40 & US311 over Clemmonsville Road | 1980 | 112,000 | Fair |
| I40 Ebl over Salem Creek | 1992 | 98,000 | Good |
| I40 Ebl over NC150 Ramp | 1992 | 98,000 | Good |
| I40 over Bottom Branch | 1992 | 98,000 | Fair |
| US52 US311 over US311 | 1963 | 90,000 | Poor |
| I40 over Burke Creek | 1991 | 82,500 | Fair |
All bridges nearby: Forsyth County, NC bridge conditions · every bridge in Forsyth County · North Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.