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Old Ridge Road over Deep River

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

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

Old Ridge Road over Deep River 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 superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1981 and reconstructed in 2014, making it 44 years old at the 2025 inventory.
It carries about 14,235 vehicles a day (traffic count year 2014).
Its listed owner is the county highway agency.
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	Continuous prestressed concrete multiple box beam
Length	about 131 ft
Location	00.20 S.E. of LAKE PARK A
NBI structure number	4500143
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