SR 15 over Four Mile Branch
Tippah County, Mississippi · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 15 over Four Mile Branch in Tippah County, Mississippi, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1973, making it 52 years old at the 2025 inventory.
- It carries about 6,400 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 47 of the 140 inventoried bridges in Tippah County rated fair (33.6%); 6 (4.3%) 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 September 2023, on a 24-month routine inspection cycle.
- 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 → (34.8005, -88.92955)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 28 ft |
| Location | 5.3 Mi N SR 4 |
| NBI structure number | 310001507032020 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2023 |
| 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 Mississippi department of transportation.
Busiest bridges in Tippah County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 72 over Big Creek | 1999 | 13,000 | Good |
| SR 15 over Tippah River | 1973 | 11,000 | Fair |
| SR 15 over Street Creek | 1973 | 11,000 | Fair |
| SR 15 over Brougher Creek | 1973 | 9,200 | Fair |
| SR 15 over Brougher Creek | 1940 | 7,800 | Fair |
| US 72 over Big Creek | 1999 | 6,500 | Good |
All bridges nearby: Tippah County, MS bridge conditions · every bridge in Tippah County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.