Ms Route 18 over Natchez Trace Parkway
Claiborne County, Mississippi · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ms Route 18 over Natchez Trace Parkway in Claiborne County, Mississippi, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 1966, making it 59 years old at the 2025 inventory.
- It carries about 440 vehicles a day (traffic count year 2008).
- It is one of 33 of the 136 inventoried bridges in Claiborne County rated good (24.3%); 4 (2.9%) are rated poor.
- 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 → (31.96592, -90.9579)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Concrete deck arch |
| Length | about 84 ft |
| Location | 25.5 Miles South of Ms Ro |
| NBI structure number | 5570199P0000000 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.
Busiest bridges in Claiborne County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 61 over Little Bayou Pierre | 1947 | 10,000 | Fair |
| US 61 over Big Bayou Pierre | 1996 | 3,350 | Fair |
| US 61 over Big Bayou Pierre | 1996 | 3,350 | Fair |
| US 61 over Barnes Creek | 2007 | 2,900 | Good |
| US 61 over Barnes Creek | 2004 | 2,900 | Fair |
| US 61 over Bakers Creek Trib | 2007 | 2,900 | Fair |
All bridges nearby: Claiborne County, MS bridge conditions · every bridge in Claiborne County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.