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State Highway 16 over Illinois River-Wash Co.

Washington County, Arkansas · rated Poor in the 2025 National Bridge Inventory

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

State Highway 16 over Illinois River-Wash Co. in Washington County, Arkansas, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1972, making it 53 years old at the 2025 inventory.
It carries about 2,900 vehicles a day (traffic count year 2018).
Its listed owner is the state highway agency.
It is one of 30 of the 449 inventoried bridges in Washington County rated poor (6.7%); 30 (6.7%) 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


Structure	Steel stringer or multi-beam girder
Length	about 301 ft
Location	3.93 Mi E Benton Co Ln
NBI structure number	000000000005464
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
I-49 SB Lns over Porter Road	2015	69,203	Good
I49 NB Mn Ln Ramp over US 71B Mn Lns-Wash. Co.	1984	68,000	Fair
I-49 Main Lanes over Brush Creek-Washington	1983	67,000	Fair
I-49 Washington Co over Hamestring Creek	2015	66,598	Good
I-49 NE Ramp over I-49 SB & 71B SB-Wash Co	1984	52,589	Good
SH112 Rmp to I49NB over NB I-49 Ramp to 71B	2017	46,443	Good