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Ill 156 over Bond Creek

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

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

Ill 156 over Bond Creek in Monroe 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 5 (fair condition) on the 0-9 scale.
It was built in 1990, making it 35 years old at the 2025 inventory.
It carries about 1,650 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 42 of the 132 inventoried bridges in Monroe County rated fair (31.8%); 11 (8.3%) 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	Prestressed concrete multiple box beam
Length	about 70 ft
Location	0.9MI E Valmeyer
NBI structure number	067003300000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
IL3NB->255WB Rmp E over 255SB->IL3SB Ramp B	1982	36,900	Fair
Il 3 SB over Palmer Rd/Palmer Crk	1991	36,900	Fair
Ill 3 NB over Palmer Rd/Palmer Crk	1984	30,200	Fair
Fai 255 EB over Mississippi River	1986	25,850	Fair
Fai 255WB over Mississippi River	1984	25,850	Fair
Fai 255 Nb/eb over UPRR	1984	25,850	Poor