Knox Road over Munsons Creek
Attala County, Mississippi · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Knox Road over Munsons Creek in Attala County, Mississippi, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1992, making it 33 years old at the 2025 inventory.
- It carries about 100 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 63 of the 227 inventoried bridges in Attala County rated fair (27.8%); 12 (5.3%) 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 December 2024, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- 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 → (33.06936, -89.55442)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Steel |
| Length | about 60 ft |
| Location | Sec 14 T14N R 7E |
| NBI structure number | SA0400000000074 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | December 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.
Busiest bridges in Attala County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 35 over Yockanookany River | 1955 | 9,200 | Fair |
| SR 35 over Natchez Trace | 1951 | 8,000 | Good |
| SR 35 over Little Conehoma Creek | 2022 | 5,100 | Good |
| SR 35 over Conehoma Creek | 1941 | 5,100 | Fair |
| SR 12 over Munson Creek | 2013 | 3,800 | Good |
| SR 12 over Ditch | 1939 | 3,800 | Fair |
All bridges nearby: Attala County, MS bridge conditions · every bridge in Attala County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.