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I-90 EB over Columbia Avenue 2 RR

Lake County, Indiana · rated Fair in the 2025 National Bridge Inventory

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

I-90 EB over Columbia Avenue 2 RR in Lake County, Indiana, 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 1956 and reconstructed in 1985, making it 69 years old at the 2025 inventory.
It carries about 18,425 vehicles a day (traffic count year 2015).
It is one of 216 of the 501 inventoried bridges in Lake County rated fair (43.1%); 36 (7.2%) 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	Steel stringer or multi-beam girder
Length	about 528 ft
Location	00.14 W SR 312
NBI structure number	046090
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-80 WB Ramp to SR over SR 912 Eb/wb Ramps	2001	185,778	Fair
I-80 Ebwb 2 Ramps over Erie-lackawanna Trail	2005	175,670	Fair
I-80 I-94 EB over US 41 N/sr 152 W Rmp 2I	2005	175,670	Fair
I-80i-94 EB over Northcote Ave	2005	172,512	Good
I-80i-94 EB over Hohman Avenue	2007	150,742	Good
I-80i-94 EB over Lt Calumet Riv Monon Tr	2007	150,742	Good