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Cr Cnty Rd 129 over Sand Creek

Crook County, Wyoming · rated Good in the 2025 National Bridge Inventory

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

Cr Cnty Rd 129 over Sand Creek in Crook County, Wyoming, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
It was built in 2017, making it 8 years old at the 2025 inventory.
It carries about 133 vehicles a day (traffic count year 2024).
Its listed owner is the county highway agency.
It is one of 52 of the 176 inventoried bridges in Crook County rated good (29.5%); 4 (2.3%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings

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

Bridge	Built	Vehicles/day	Condition
US 14 over S Fork Sundance Creek	1954	3,482	Fair
I-90 Wbl over Well Creek	1969	3,214	Fair
I-90 Wbl over Machinery Pass	1969	3,214	Fair
I-90 Ebl over Wyo 585	1972	2,981	Good
I-90 Ebl over Machinery Pass	1972	2,981	Fair
I-90 Ebl over I-90 Bus. / US 14	1972	2,981	Good