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49TH Ave over I 59/I 20

Lauderdale County, Mississippi · rated Fair in the 2025 National Bridge Inventory

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

49TH Ave over I 59/I 20 in Lauderdale County, Mississippi, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1973, making it 52 years old at the 2025 inventory.
It carries about 2,900 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 206 of the 475 inventoried bridges in Lauderdale County rated fair (43.4%); 28 (5.9%) are rated poor.
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.

Component ratings


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 273 ft
Location	0.5 Mi E US 11
NBI structure number	51000590381508B
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I 20/I 59 over Grand Ave	1973	56,000	Fair
I 20/I 59 over SR 145	1957	56,000	Fair
I 20/I 59 over US 11 Norfolk S RR	1974	49,000	Fair
I 20/I 59 over Sowashee Creek	1973	49,000	Fair
I 20/I 59 over Kcs RR	1973	48,000	Fair
I 20/I 59 over Stream	1949	41,000	Good