Rock Chapel Road over Mountain Creek
DeKalb County, Georgia · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Rock Chapel Road over Mountain Creek in DeKalb County, Georgia, 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 2000, making it 25 years old at the 2025 inventory.
- It carries about 36,900 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 291 of the 392 inventoried bridges in DeKalb County rated good (74.2%); 4 (1.0%) 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 April 2024, 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 → (33.77323, -84.07697)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 188 ft |
| Location | 3.5 Mi NE of Lithonia |
| NBI structure number | 000000008951440 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 2024 |
| 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 DeKalb County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-85 over N Fork Peachtree Creek | 1957 | 296,000 | Good |
| I-285 over SR 13 Buford Highway | 1958 | 234,000 | Good |
| I-285 over N Fork Nancy Creek | 1960 | 230,000 | Good |
| I-285 over Nancy Creek | 1961 | 225,000 | Good |
| I-285 over SR 141 Ptree Ind. Blvd. | 1961 | 225,000 | Fair |
| I-285 Ramp over SR 141 Ptree Ind. Blvd. | 2023 | 225,000 | Good |
All bridges nearby: DeKalb County, GA bridge conditions · every bridge in DeKalb County · Georgia bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.