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US 79 S-3 Lm 3.18 over Desarc Bayou Relief

Ouachita County, Arkansas · rated Good in the 2025 National Bridge Inventory

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

US 79 S-3 Lm 3.18 over Desarc Bayou Relief in Ouachita County, Arkansas, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
It was built in 1931, making it 94 years old at the 2025 inventory.
It carries about 2,700 vehicles a day (traffic count year 2018).
Its listed owner is the state highway agency.
It is one of 52 of the 162 inventoried bridges in Ouachita County rated good (32.1%); 17 (10.5%) 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

Component	Rating (2025)	FHWA scale meaning
Culvert	7	Good condition

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

Bridge	Built	Vehicles/day	Condition
US79 S-4 Lm 9.99SB over Mizzell Creek	1964	39,104	Fair
SH7 SB S-3 Lm 1.34 over Union Pacific RR	1985	18,043	Fair
SH7 NB S-3 Lm 1.34 over UPRR	1985	18,043	Fair
US 79 over Ouachita River	1976	10,000	Fair
US 79 S-4 Lm 3.26 over Ouachita Relief	1972	10,000	Fair
US 79 S-4 Lm 4.43 over Woodard Lake	1973	10,000	Fair