Home › South Dakota › Fall River County › Fairview Road over Angostura Main Canal

Fairview Road over Angostura Main Canal

Fall River County, South Dakota · rated Fair in the 2025 National Bridge Inventory

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

Fairview Road over Angostura Main Canal in Fall River County, South Dakota, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1981, making it 44 years old at the 2025 inventory.
It carries about 25 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 34 of the 80 inventoried bridges in Fall River County rated fair (42.5%); 5 (6.2%) 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


Structure	Prestressed concrete tee beam
Length	about 32 ft
Location	2.7W & 1.9S Oral
NBI structure number	000000024370070
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US018 over Fall Rv	2010	5,064	Fair
US018 over Fall Rv	2010	5,064	Fair
US018 over Ck	1968	4,913	Fair
US385 over Fall Rv	1998	4,898	Good
US018 over Fall Rv	1968	4,687	Fair
SD079 over Elm Ck	2006	4,214	Fair