Home › Iowa › Dallas County › Local over Royer Creek

Local over Royer Creek

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

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

Local over Royer Creek in Dallas 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 5 (fair condition) on the 0-9 scale.
It was built in 1953 and reconstructed in 2017, making it 72 years old at the 2025 inventory.
It carries about 21 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 92 of the 206 inventoried bridges in Dallas County rated fair (44.7%); 18 (8.7%) 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	Timber stringer or multi-beam girder
Length	about 24 ft
Location	080260302
NBI structure number	000000000131900
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 Panther Creek	1965	32,100	Good
I-80 over Bear Creek	1965	29,500	Good
EB I-80 over over UP RR	1966	27,550	Fair
WB I-80 over over UP RR	1966	26,850	Fair
EB I-80 over Sugar Creek	1966	24,500	Fair
WB I-80 over Sugar Creek	1966	24,050	Fair