Street Road over Mart Branch
Amite County, Mississippi · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Street Road over Mart Branch in Amite County, Mississippi, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1977, making it 48 years old at the 2025 inventory.
- It carries about 100 vehicles a day (traffic count year 2019).
- Its listed owner is the county highway agency.
- It is one of 19 of the 208 inventoried bridges in Amite County rated poor (9.1%); 19 (9.1%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (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 12-month routine inspection cycle.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (31.04292, -90.87061)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 4 | 4 | Poor condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Timber stringer or multi-beam girder |
| Length | about 49 ft |
| Location | Sec 34 T 1N R 3E B |
| NBI structure number | SA0300000000020 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | November 2024 |
| Inspection interval (item 91) | 12 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.
Busiest bridges in Amite County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 24 over Unnamed Stream | 1939 | 4,200 | Good |
| SR 24 over Hominy Creek | 1996 | 4,200 | Good |
| SR 24 over Unnamed Stream | 1939 | 4,200 | Fair |
| SR 24 over Hominy Creek | 1939 | 4,200 | Fair |
| SR 24 over Love Creek | 1996 | 4,100 | Good |
| SR 24 over Gardner Creek | 1996 | 4,100 | Good |
All bridges nearby: Amite County, MS bridge conditions · every bridge in Amite County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.