I 20/I 59 over SR 145
Lauderdale County, Mississippi · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I 20/I 59 over SR 145 in Lauderdale 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 1957 and reconstructed in 1973, making it 68 years old at the 2025 inventory.
- It carries about 56,000 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 206 of the 475 inventoried bridges in Lauderdale County rated fair (43.4%); 28 (5.9%) are rated poor.
- 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 → (32.35323, -88.69134)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 160 ft |
| Location | I 20/I 59 over SR 145 |
| NBI structure number | 11000590381530B |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.
Busiest bridges in Lauderdale County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 20/I 59 over Grand Ave | 1973 | 56,000 | Fair |
| I 20/I 59 over US 11 Norfolk S RR | 1974 | 49,000 | Fair |
| I 20/I 59 over Sowashee Creek | 1973 | 49,000 | Fair |
| I 20/I 59 over Kcs RR | 1973 | 48,000 | Fair |
| I 20/I 59 over Stream | 1949 | 41,000 | Good |
| I 20/I 59 over M and B RR Frt Rd Con | 1973 | 41,000 | Fair |
All bridges nearby: Lauderdale County, MS bridge conditions · every bridge in Lauderdale County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.