4TH St over US 49
Forrest County, Mississippi · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 4TH St over US 49 in Forrest 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 1984, making it 41 years old at the 2025 inventory.
- It carries about 9,200 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 135 of the 283 inventoried bridges in Forrest County rated good (47.7%); 11 (3.9%) 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 → (31.33196, -89.32916)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 8 | Very good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 87 ft |
| Location | 2.2 Mi S I 59 |
| NBI structure number | 510004901807050 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.
Busiest bridges in Forrest County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 49 over Mixons Creek | 1995 | 29,000 | Good |
| US 49 over Gordons Creek | 1946 | 27,000 | Fair |
| I 59 over US 49 | 1960 | 24,500 | Fair |
| I 59 over US 49 | 1960 | 24,500 | Fair |
| US 49 over Gordons Creek | 1941 | 24,000 | Good |
| US 49 over US 11 | 1946 | 24,000 | Fair |
All bridges nearby: Forrest County, MS bridge conditions · every bridge in Forrest County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.