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US 45 over Twentymile Creek

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

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

US 45 over Twentymile Creek in Prentiss 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 1993, making it 32 years old at the 2025 inventory.
It carries about 7,500 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 144 of the 205 inventoried bridges in Prentiss County rated good (70.2%); 7 (3.4%) 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 382 ft
Location	0.7 Mi N SR 30
NBI structure number	21000450592494B
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
SR 145 over Stream	1989	11,000	Good
US 45 over Town Creek	1993	8,500	Good
US 45 over Town Creek	1993	8,500	Good
US 45 over Twentymile Creek	1993	7,500	Good
US 45 over Wolf Creek	1993	7,500	Good
US 45 over Wolf Creek	1993	7,500	Good