C-37-509 over Trib to W Fork Little Ri
Oconee County, South Carolina · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- C-37-509 over Trib to W Fork Little Ri in Oconee County, South Carolina, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 1985, making it 40 years old at the 2025 inventory.
- It carries about 200 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 68 of the 215 inventoried bridges in Oconee County rated good (31.6%); 27 (12.6%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated October 2023, on a 24-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
- 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 → (34.91512, -83.06942)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete slab |
| Length | about 60 ft |
| Location | 10.2 Mi N Walhalla |
| NBI structure number | 000000000007924 |
| Condition class | Good |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | October 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 3: scour critical: foundations unstable for the assessed or calculated scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the South Carolina department of transportation.
Busiest bridges in Oconee County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-85 NB over Hartwell Reservoir | 1961 | 25,400 | Fair |
| I-85 SB over Hartwell Reservoir | 1961 | 25,400 | Fair |
| I-85 NB over Fairplay Creek | 1961 | 23,650 | Fair |
| I-85 SB over Fairplay Creek | 1961 | 23,650 | Fair |
| US 76 over Seneca Creek | 1958 | 23,000 | Fair |
| Sc 28 over Richland Creek | 1961 | 16,300 | Good |
All bridges nearby: Oconee County, SC bridge conditions · every bridge in Oconee County · South Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.