Quinn Drive over Squirrel Branch
Rankin County, Mississippi · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Quinn Drive over Squirrel Branch in Rankin County, Mississippi, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1980, making it 45 years old at the 2025 inventory.
- It carries about 60 vehicles a day (traffic count year 2024).
- Its listed owner is a city or municipal highway agency.
- It is one of 17 of the 378 inventoried bridges in Rankin County rated poor (4.5%); 17 (4.5%) 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 → (32.23207, -90.15807)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 4 | 4 | Poor condition |
Bridge details
| Structure | Concrete channel beam |
| Length | about 30 ft |
| Location | Sec 36 T 5N R 1E |
| NBI structure number | SA6100000000197 |
| 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 Rankin County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 20 over Conway Slough | 1965 | 77,000 | Good |
| I 20 over Creek | 1963 | 62,000 | Good |
| I 55 over US 80/KCS RR | 1967 | 56,500 | Good |
| US 49 & Frt Rds over Ditch | 1970 | 56,000 | Good |
| US 49 over Kcs RR | 2008 | 56,000 | Fair |
| US 49 over Conway Slough | 1967 | 56,000 | Good |
All bridges nearby: Rankin County, MS bridge conditions · every bridge in Rankin County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.