C-42-745 over Middle Tiger River
Spartanburg County, South Carolina · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- C-42-745 over Middle Tiger River in Spartanburg County, South 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 2001, making it 24 years old at the 2025 inventory.
- It carries about 250 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 65 of the 643 inventoried bridges in Spartanburg County rated poor (10.1%); 65 (10.1%) 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 → (34.96295, -82.17289)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 4 | Poor condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 120 ft |
| Location | 2.5 Mi NW of Duncan |
| NBI structure number | 000000000009590 |
| Condition class | Poor |
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.