Il 121 (fap 773) over Otter Creek

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

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

• Il 121 (fap 773) over Otter Creek in Cumberland County, Illinois, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the culvert, rated 4 (poor condition) on the 0-9 scale.
• It was built in 1933 and reconstructed in 1971, making it 92 years old at the 2025 inventory.
• It carries about 1,600 vehicles a day (traffic count year 2023).
• Its listed owner is the state highway agency.
• It is one of 12 of the 169 inventoried bridges in Cumberland County rated poor (7.1%); 12 (7.1%) 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.

View this bridge on a map → (39.27271, -88.32299)

Component ratings

Bridge details

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

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Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.