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Tr 87 over Fai 155

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

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

Tr 87 over Fai 155 in Logan 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 1986, making it 39 years old at the 2025 inventory.
It carries about 50 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 82 of the 292 inventoried bridges in Logan County rated good (28.1%); 27 (9.2%) 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	Prestressed concrete stringer or multi-beam girder
Length	about 263 ft
Location	.6MI N I-155/i-55
NBI structure number	054007100000000
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I-55 over Hurlbut Creek	1974	34,900	Fair
I 55 & E&w Fr Rds over Wolf Creek	1944	33,125	Fair
I-55 over Drainage Ditch	1974	32,400	Fair
I-55 over Clear Creek	1976	21,600	Fair
I-55 over Drainage Ditch	1974	21,500	Fair
I-55 over Trib Lake Fork	1922	17,450	Fair