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Siwell Road over I 55

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

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

Siwell Road over I 55 in Hinds 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 7,600 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 230 of the 666 inventoried bridges in Hinds County rated good (34.5%); 71 (10.7%) 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	Continuous prestressed concrete stringer or multi-beam girder
Length	about 321 ft
Location	Byram Interchange
NBI structure number	410005502508410
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I 55 over Three Mile Creek	1956	117,000	Fair
I 55 over Eubanks Creek	1966	105,000	Good
I 20 WB Lane over US 51	2011	103,000	Good
I 55 South over I 55 Ramp to Ww Drive	1966	100,000	Good
I 55 over White Oak Creek	1954	96,000	Good
I 55 over Hardy Creek	1956	71,000	Fair