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Forest Road 10099 over New Fk. Lk. Spillway

Sublette County, Wyoming · rated Poor in the 2025 National Bridge Inventory

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

Forest Road 10099 over New Fk. Lk. Spillway in Sublette County, Wyoming, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
It was built in 1958, making it 67 years old at the 2025 inventory.
It carries about 50 vehicles a day.
It is one of 11 of the 110 inventoried bridges in Sublette County rated poor (10.0%); 11 (10.0%) 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

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

Bridge	Built	Vehicles/day	Condition
US 191 over Pine Creek	1962	10,413	Fair
US 191 over Barber Creek	1993	5,376	Fair
US 189 over North Piney Creek	1960	5,233	Fair
US 191 over Duck Creek	1993	4,637	Fair
US 191 over New Fork River	1993	4,637	Fair
US 191 over Wildlife Crossing	2011	4,637	Good