Natchez Trace Park over Ms Route 46
Clay County, Mississippi · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Natchez Trace Park over Ms Route 46 in Clay County, Mississippi, 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 1960, making it 65 years old at the 2025 inventory.
- It carries about 1,100 vehicles a day (traffic count year 2024).
- It is one of 112 of the 156 inventoried bridges in Clay County rated good (71.8%); 2 (1.3%) 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 February 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 → (33.73269, -89.03117)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 110 ft |
| Location | 6.8 Miles South of Ms Rou |
| NBI structure number | 5570075P0000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | February 2025 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.
Busiest bridges in Clay County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 45A over Town Creek | 1973 | 23,000 | Good |
| US 45A over Town Creek | 1992 | 19,000 | Fair |
| US 45A over Creek | 1999 | 17,000 | Good |
| US 45A over Creek | 1992 | 9,500 | Good |
| US 45A over Creek | 1992 | 9,500 | Fair |
| US 45A over Tibbee Creek | 1992 | 9,500 | Fair |
All bridges nearby: Clay County, MS bridge conditions · every bridge in Clay County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.