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Ill 13 over Mid Fork Saline Riv.

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

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

Ill 13 over Mid Fork Saline Riv. in Saline 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 4 (poor condition) on the 0-9 scale.
It was built in 1972, making it 53 years old at the 2025 inventory.
It carries about 3,350 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 8 of the 185 inventoried bridges in Saline County rated poor (4.3%); 8 (4.3%) 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 252 ft
Location	1.6 Mi E Harrisburg
NBI structure number	083004500000000
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
Fap 332-us 45 over Drainage Ditch	2007	10,900	Good
US 45 over Mid Fork Saline Riv.	1982	10,200	Good
US 45-fap 332 over Middle Fork Saline R	2004	10,200	Good
Fap 332-us 45 (SB) over Stream	2002	9,550	Good
Fap 332-us 45 (NB) over Stream	2002	9,550	Good
Fap 332-us 45 (NB) over Stream	2002	9,550	Good