Home › Arkansas › Mississippi County › I-55sb-12-lm 54.57 over Drainage Ditch N

I-55sb-12-lm 54.57 over Drainage Ditch Number 31

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

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

I-55sb-12-lm 54.57 over Drainage Ditch Number 31 in Mississippi 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 6 (satisfactory condition) on the 0-9 scale.
It was built in 1960, making it 65 years old at the 2025 inventory.
It carries about 11,000 vehicles a day (traffic count year 2018).
Its listed owner is the state highway agency.
It is one of 109 of the 309 inventoried bridges in Mississippi County rated fair (35.3%); 22 (7.1%) 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
I-55- 12- Lm 31.40 over Ditch No 4	1960	20,074	Fair
I-55- 12- Lm 37.86 over Ditch No 51	1961	20,040	Fair
I-55-sec 12- 50.00 over Ditch No 43	1962	19,000	Fair
I-55-sec 12- 52.30 over Ditch No 41	1962	19,000	Fair
I -55 Sec 12-69.84 over Ditch No 30	1963	19,000	Fair
I-55 Frontage Rd-l over Ditch No 6	1960	18,899	Good