I-20 over Mattox Creek
McDuffie County, Georgia · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-20 over Mattox Creek in McDuffie County, Georgia, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1968, making it 57 years old at the 2025 inventory.
- It carries about 31,000 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 42 of the 52 inventoried bridges in McDuffie County rated good (80.8%); 1 (1.9%) 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 January 2025, 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 → (33.50762, -82.53442)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 7 | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 32 ft |
| Location | 3.4 Mi NW of Thomson |
| NBI structure number | 000000018900180 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | January 2025 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Georgia department of transportation.
Busiest bridges in McDuffie County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-20 Wbl over Germany Creek | 1966 | 78,400 | Good |
| US 78 SR 10 SR 1 over Sills Branch | 2010 | 64,100 | Good |
| US 78 SR 10 SR 1 over I-20 | 2010 | 45,400 | Fair |
| I-20 Ebl over Germany Creek | 1966 | 35,900 | Good |
| I-20 over Childers Creek | 1971 | 30,700 | Good |
| US 78 SR 10 over I-20 | 1999 | 13,300 | Good |
All bridges nearby: McDuffie County, GA bridge conditions · every bridge in McDuffie County · Georgia bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.