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Monroe Ave. over Sibles Creek

Cedar County, Iowa · rated Fair in the 2025 National Bridge Inventory

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

Monroe Ave. over Sibles Creek in Cedar County, Iowa, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 2003, making it 22 years old at the 2025 inventory.
It carries about 60 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 109 of the 300 inventoried bridges in Cedar County rated fair (36.3%); 60 (20.0%) 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	Steel stringer or multi-beam girder
Length	about 23 ft
Location	082020702
NBI structure number	000000000364485
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-80 over Stream	1960	39,700	Fair
I-80 over Stream	1960	39,700	Fair
I-80 over Middle Wapsinonoc Creek	1960	39,700	Fair
I-80 over Drainage Ditch	1959	36,000	Fair
I-80 over Little Elkhorn Creek	1959	36,000	Fair
I-80 over Drainage Ditch	1960	36,000	Fair