Old SR 42 /4TH St over I 59
Lamar County, Mississippi · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Old SR 42 /4TH St over I 59 in Lamar 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 1960, making it 65 years old at the 2025 inventory.
- It carries about 15,000 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 126 of the 151 inventoried bridges in Lamar County rated good (83.4%); 0 (0.0%) 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 → (31.33683, -89.35259)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 240 ft |
| Location | 1.0 Mi N US 98 |
| NBI structure number | 410005903706550 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.
Busiest bridges in Lamar County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 98 Hardy St over I 59 | 1992 | 64,000 | Good |
| US 98 over Stream | 1941 | 53,000 | Good |
| I 59 over Mixons Creek | 1960 | 49,000 | Good |
| US 98 over Stream | 1941 | 32,000 | Good |
| US 98 over Stream | 1977 | 25,000 | Good |
| I 59 over Little Beaver Creek | 1961 | 19,000 | Good |
All bridges nearby: Lamar County, MS bridge conditions · every bridge in Lamar County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.