IL3NB->255WB Rmp E over 255SB->IL3SB Ramp B

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

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

• IL3NB->255WB Rmp E over 255SB->IL3SB Ramp B 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 superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
• It was built in 1982, making it 43 years old at the 2025 inventory.
• It carries about 36,900 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.
• Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
• Its class is unchanged from 2024 (fair), but component ratings moved: deck 8 to 7.
• Its most recent inspection on record is dated January 2025, on a 24-month routine inspection cycle.
• 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.

View this bridge on a map → (38.47258, -90.22654)

Component ratings

Bridge details

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

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