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Fr 870 over Wagon Creek

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

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

Fr 870 over Wagon Creek in Johnson 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 1967, making it 58 years old at the 2025 inventory.
It carries about 29 vehicles a day (traffic count year 1994).
It is one of 3 of the 118 inventoried bridges in Johnson County rated poor (2.5%); 3 (2.5%) 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	Timber stringer or multi-beam girder
Length	about 40 ft
Location	.5 Miles West of CR#18
NBI structure number	090804000001002
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
I 24 over Dry Fork Creek	1976	20,700	Fair
I 24 over Mccorkle Creek	1971	20,500	Good
I 24 EB over Tr 42 & L Saline R	1972	10,350	Fair
I 24 WB over Tr 42 & L Saline R	1972	10,350	Fair
I 24 EB over Tr 77 Bowman Bottoms	1971	10,300	Fair
I 24 WB over Tr 77 Bowman Bottoms	1971	10,300	Fair