Home › Illinois › Randolph County › Fas 858 (roots Rd) over Kaskaskia River

Fas 858 (roots Rd) over Kaskaskia River

Randolph County, Illinois · rated Fair in the 2025 National Bridge Inventory

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

Fas 858 (roots Rd) over Kaskaskia River in Randolph County, Illinois, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1960 and reconstructed in 2015, making it 65 years old at the 2025 inventory.
It carries about 425 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 52 of the 149 inventoried bridges in Randolph County rated fair (34.9%); 10 (6.7%) 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	Continuous steel stringer or multi-beam girder
Length	about 1,331 ft
Location	0.6 Mi E of Roots
NBI structure number	079001900000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Il 3 over Black Creek	1995	8,400	Good
Ill 150 over Miss Riv/fau 9416	1942	6,250	Poor
Il 3 over UPRR	1971	5,650	Good
Il 3 over Nine Mile Creek	2024	5,650	Good
Ill 4-150 over Marys River	1928	5,500	Fair
Il 150 over Little Marys River	1999	5,450	Good