C-42-2030 over Trib to S Tyger River
Spartanburg County, South Carolina · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- C-42-2030 over Trib to S Tyger River in Spartanburg County, South 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 1997, making it 28 years old at the 2025 inventory.
- It carries about 225 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 334 of the 643 inventoried bridges in Spartanburg County rated good (51.9%); 65 (10.1%) 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 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 → (34.91596, -82.13931)
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 | Prestressed concrete channel beam |
| Length | about 49 ft |
| Location | 2 Mi S of Duncan |
| NBI structure number | 000000000009279 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | November 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | U: unknown foundation, not evaluated for scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the South Carolina department of transportation.
Busiest bridges in Spartanburg County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-85 over Grays Creek | 1959 | 104,300 | Fair |
| I-85 over US 29 | 2000 | 98,800 | Good |
| I-85 over Frey Creek | 1960 | 97,800 | Fair |
| I-85 over NS RR | 2000 | 97,800 | Good |
| I-85 over North Tyger River | 2000 | 97,800 | Good |
| I-85 over Fair Forest Creek | 1993 | 80,500 | Good |
All bridges nearby: Spartanburg County, SC bridge conditions · every bridge in Spartanburg County · South Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.