US 29 NB over North Tyger River
Spartanburg County, South Carolina · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 29 NB over North Tyger River in Spartanburg County, South Carolina, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1973, making it 52 years old at the 2025 inventory.
- It carries about 14,600 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 244 of the 643 inventoried bridges in Spartanburg County rated fair (37.9%); 65 (10.1%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It was rated poor in the 2024 inventory and is now fair (substructure 4 to 5).
- Its most recent inspection on record is dated January 2025, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (34.93958, -82.05435)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 4 | 5 | Fair condition |
Bridge details
| Structure | Concrete slab |
| Length | about 180 ft |
| Location | 6.0 Mi W of Spartanburg |
| NBI structure number | 000000000006379 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | January 2025 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
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.