SR 489 over Conehatta Creek
Newton County, Mississippi · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 489 over Conehatta Creek in Newton 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 1989, making it 36 years old at the 2025 inventory.
- It carries about 1,500 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 109 of the 242 inventoried bridges in Newton County rated good (45.0%); 12 (5.0%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (good), but component ratings moved: deck 8 to 7.
- 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 → (32.41478, -89.27705)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 7 | Good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Continuous prestressed concrete stringer or multi-beam girder |
| Length | about 321 ft |
| Location | 5.9 Mi N US 80 |
| NBI structure number | 310048905100590 |
| 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) | 4: foundations stable, field review says exposed foundations need protection |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.
Busiest bridges in Newton County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 20 over Stream | 1966 | 20,000 | Good |
| I 20 over Slough | 1966 | 20,000 | Good |
| I 20 over Stream | 1966 | 20,000 | Good |
| I 20 over Potterchitto Creek | 1966 | 20,000 | Fair |
| I 20 over Oakahatta Creek | 1961 | 12,000 | Fair |
| I 20 over Oakahatta Creek | 1961 | 12,000 | Fair |
All bridges nearby: Newton County, MS bridge conditions · every bridge in Newton County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.