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Csah 31 over I 494

Dakota County, Minnesota · rated Fair in the 2025 National Bridge Inventory

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

Csah 31 over I 494 in Dakota County, Minnesota, 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 1972, making it 53 years old at the 2025 inventory.
It carries about 13,863 vehicles a day (traffic count year 2021).
Its listed owner is the state highway agency.
It is one of 142 of the 257 inventoried bridges in Dakota County rated fair (55.3%); 4 (1.6%) 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 stringer or multi-beam girder
Length	about 215 ft
Location	1.1 Mi W of Jct Th 35E
NBI structure number	19826
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I 494 over Csah 56 (concord Street)	1980	103,528	Fair
I 494 over UP Railroad Hardman Ave	1988	103,528	Fair
I 35W over UP RR Cliff Rd (CSAH32)	1959	94,603	Poor
I 494 over Th 13; UP RR	1973	88,714	Fair
I 35E over Marie Avenue	1966	80,925	Fair
US 52 over Pedestrian Trail	1990	53,893	Good