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I 49 Mn Lns over Branch of Nix Creek

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

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

I 49 Mn Lns over Branch of Nix Creek in Miller County, Arkansas, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1978, making it 47 years old at the 2025 inventory.
It carries about 15,964 vehicles a day (traffic count year 2018).
Its listed owner is the state highway agency.
It is one of 76 of the 217 inventoried bridges in Miller County rated fair (35.0%); 7 (3.2%) 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

Component	Rating (2025)	FHWA scale meaning
Culvert	6	Satisfactory condition

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

Bridge	Built	Vehicles/day	Condition
I-30 District 3 over Red River- Miller Co	2017	32,000	Good
I 49 S.b-01-25.13 over Four mile Creek	2001	29,000	Good
I 49 N.b-01-25.14 over Four mile Creek	2001	29,000	Good
Us71-sec 3-lm 2.90 over I-30 - Sec. 11 Lm 0.001	2010	27,000	Good
I 49 S.B. -15.72 over Boggy Creek	2004	18,000	Good
I 49 N.b.- 15.72 over Boggy Creek	2004	18,000	Good