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Arkansas Hwy 178 over Bull Shoals Dam Spillway

Marion County, Arkansas · rated Fair in the 2025 National Bridge Inventory

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

Arkansas Hwy 178 over Bull Shoals Dam Spillway in Marion County, Arkansas, 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 1951, making it 74 years old at the 2025 inventory.
It carries about 3,200 vehicles a day (traffic count year 2022).
It is one of 34 of the 67 inventoried bridges in Marion County rated fair (50.7%); 3 (4.5%) 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

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

Bridge	Built	Vehicles/day	Condition
US 62/412 Marion over Fallen Ash Creek	1988	12,000	Good
US 62/412 Marion over White River	1988	11,000	Good
US 62/412 Marion over Town Branch	1928	8,400	Fair
US 62/412 Marion over Hogskin Creek	1938	7,400	Fair
E Main St Flippin over Fallen Ash Creek	1928	6,200	Good
SH 178 Marion over Crane Creek	1947	5,600	Fair