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Ill 104 over Fai 172

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

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

Ill 104 over Fai 172 in Adams County, Illinois, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1976, making it 49 years old at the 2025 inventory.
It carries about 12,000 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 169 of the 317 inventoried bridges in Adams County rated fair (53.3%); 19 (6.0%) 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 269 ft
Location	I-172/IL104 Int
NBI structure number	001004700000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Fai 172 over Fall Creek	1982	13,100	Good
Fau 7810 (il 96) over Emery Creek	2016	11,300	Good
Ill 96 over Curtis Creek	2003	10,500	Fair
Fai 172 over Austin Creek	1982	9,750	Fair
US 24(WB)/ Broadwa over Miss. R/streets/bnrr	1986	8,600	Fair
US 24(EB)/ Maine S over Miss. R./front St/bn	1930	8,450	Fair