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35TH Ave over Mud Creek

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

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

35TH Ave over Mud Creek in Scott County, Iowa, 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 1965, making it 60 years old at the 2025 inventory.
It carries about 26 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 158 of the 291 inventoried bridges in Scott County rated fair (54.3%); 29 (10.0%) 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	Continuous steel stringer or multi-beam girder
Length	about 126 ft
Location	079e11004
NBI structure number	000000000302370
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 Mississippi River & RR	1967	38,100	Fair
I 74 WB over Mississippi River	2020	37,650	Good
WB US 6 over Goose Creek	2011	35,400	Good
I-80 over Drainage Ditch	1963	34,600	Fair
I-80 over Stream	1963	34,600	Fair
I-80 over Drainage Ditch	1963	31,600	Fair