SR 21 over S Canal Tuscolameta Crk
Scott County, Mississippi · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 21 over S Canal Tuscolameta Crk in Scott 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 1981, making it 44 years old at the 2025 inventory.
- It carries about 3,900 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 91 of the 199 inventoried bridges in Scott County rated fair (45.7%); 3 (1.5%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (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.
- 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 → (32.52394, -89.38621)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Continuous prestressed concrete stringer or multi-beam girder |
| Length | about 122 ft |
| Location | 4.8 Mi S SR 492 |
| NBI structure number | 310002106201320 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| 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 |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.
Busiest bridges in Scott County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 20 over Talla Bogue Creek | 1970 | 25,000 | Fair |
| I 20 over Line Creek | 1966 | 13,500 | Good |
| I 20 over Line Creek | 1966 | 13,500 | Good |
| I 20 over Line Creek Road | 1966 | 13,500 | Fair |
| I 20 over Line Creek Road | 1966 | 13,500 | Fair |
| I 20 over Creek | 1966 | 12,500 | Good |
All bridges nearby: Scott County, MS bridge conditions · every bridge in Scott County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.