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SR 603 over Cypress Creek

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

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

SR 603 over Cypress Creek in Hancock County, Mississippi, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1955, making it 70 years old at the 2025 inventory.
It carries about 3,100 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 31 of the 107 inventoried bridges in Hancock County rated fair (29.0%); 8 (7.5%) 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	Steel stringer or multi-beam girder
Length	about 89 ft
Location	4.1 Mi S SR 53
NBI structure number	310060302302060
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I 10 over Jourdan River	2004	53,000	Fair
I 10 over East Pearl River	1966	47,000	Fair
I 10 over SR 607	1967	23,500	Good
I 10 over SR 607	1967	23,000	Good
I 10 over Stream	1967	20,500	Good
I 10 over Stream	1967	20,500	Good