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SR 18 over Old Richland Creek

Rankin County, Mississippi · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

SR 18 over Old Richland Creek in Rankin County, Mississippi, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 2000, making it 25 years old at the 2025 inventory.
It carries about 8,800 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 214 of the 378 inventoried bridges in Rankin County rated good (56.6%); 17 (4.5%) 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.

Component ratings


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 198 ft
Location	2.7 Mi E SR468
NBI structure number	310001806107610
Condition class	Good

Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.

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