Smith Co. 80 over Leaf River
Smith County, Mississippi · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Smith Co. 80 over Leaf River in Smith County, Mississippi, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 2002, making it 23 years old at the 2025 inventory.
- It carries about 100 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 33 of the 175 inventoried bridges in Smith County rated fair (18.9%); 7 (4.0%) 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 November 2024, on a 24-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (31.92014, -89.42437)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 589 ft |
| Location | Sec 13 T 1N R 8E |
| NBI structure number | SA6500000000026 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | November 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 3: scour critical: foundations unstable for the assessed or calculated scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.
Busiest bridges in Smith County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 28 over Leaf River | 1973 | 5,800 | Fair |
| SR 28 over Relief | 1999 | 5,800 | Good |
| SR 28 over Oakahay Creek | 1973 | 5,100 | Good |
| SR 28 over Mill Creek | 1973 | 5,100 | Good |
| SR 28 over Bog Branch | 1973 | 5,100 | Good |
| SR 28 over Big Creek | 1999 | 4,100 | Good |
All bridges nearby: Smith County, MS bridge conditions · every bridge in Smith County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.