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Sbi 13 (unmarked) over Cypress Ditch

Gallatin County, Illinois · rated Poor in the 2025 National Bridge Inventory

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

Sbi 13 (unmarked) over Cypress Ditch in Gallatin County, Illinois, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 3 (serious condition) on the 0-9 scale.
It was built in 1940 and reconstructed in 1964, making it 85 years old at the 2025 inventory.
It carries about 10 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 6 of the 82 inventoried bridges in Gallatin County rated poor (7.3%); 6 (7.3%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Continuous steel stringer or multi-beam girder
Length	about 106 ft
Location	0.1 Mi N of Junction
NBI structure number	030001400000000
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
Ill 13 over North Fork Saline R	1964	3,700	Poor
Ill 13 over Stream	1968	3,700	Good
Ill 13 over Cypress Branch	1965	2,700	Fair
Ill 13 over Cypress Ditch	1965	2,700	Fair
Ill 13 over Stream	1955	2,650	Fair
Ill 13 over Market St.	2004	2,500	Good