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Fas 331 (ch 21) over Collison Branch

Vermilion County, Illinois · rated Good in the 2025 National Bridge Inventory

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

Fas 331 (ch 21) over Collison Branch in Vermilion County, Illinois, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
It was built in 2016, making it 9 years old at the 2025 inventory.
It carries about 450 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 144 of the 494 inventoried bridges in Vermilion County rated good (29.1%); 31 (6.3%) 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	Steel stringer or multi-beam girder
Length	about 79 ft
Location	East Edge Collison
NBI structure number	092352800000000
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I-74 over Feather Creek	1959	25,200	Fair
Il 1 US 150 (fap 3 over 14TH St(fau 7010)	1966	24,700	Fair
Il 1 US 150 (fap 3 over Vermilion River	1957	23,100	Fair
IL.1/US 150(FAP 33 over I-74 & CD16.23/16.33	1965	19,500	Fair
Il 1 US 150 (fap 3 over Norfolk Southern Railway	2003	19,500	Good
FAP332(IL 1 US 150 over Grape Creek	1991	18,900	Fair