Home › Iowa › Franklin County › Local 40TH St over Beaver Creek

Local 40TH St over Beaver Creek

Franklin County, Iowa · rated Poor in the 2025 National Bridge Inventory

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

Local 40TH St over Beaver Creek in Franklin County, Iowa, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 3 (serious condition) on the 0-9 scale.
It was built in 1954, making it 71 years old at the 2025 inventory.
It carries about 35 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 28 of the 227 inventoried bridges in Franklin County rated poor (12.3%); 28 (12.3%) 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.

Component ratings


Structure	Timber stringer or multi-beam girder
Length	about 41 ft
Location	090202601
NBI structure number	000000000156520
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
I-35 over Drainage Ditch	1972	17,300	Good
I-35 over Drainage Ditch	1973	17,000	Good
I-35 over Drainage Ditch	1972	16,900	Fair
I-35 over Stream	1974	15,300	Fair
I-35 over Drainage Ditch NO.48	1974	15,100	Good
NB I-35 over Buffalo Creek	1973	8,600	Good