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I-15 (SR-15) Nbl over I-80 (SR-80) Wbl

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

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

I-15 (SR-15) Nbl over I-80 (SR-80) Wbl in Salt Lake County, Utah, 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 1999, making it 26 years old at the 2025 inventory.
It carries about 138,665 vehicles a day (traffic count year 2014).
Its listed owner is the state highway agency.
It is one of 490 of the 666 inventoried bridges in Salt Lake County rated fair (73.6%); 29 (4.4%) 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 stringer or multi-beam girder
Length	about 209 ft
Location	APPROX.300 SO.700 W. Slc
NBI structure number	1F 659
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-15 (SR-15) Nbl over Andy AVE.(2250 S.)&	2000	268,370	Fair
I-15 NB Col-dist over Rt.pond .& Uta Tracks	1999	268,370	Good
I-15NB Col-dist.rp over Drainage Water Ret. Pond	2000	268,370	Good
I-15 (SR-15) Nbl over 2100 South Street	2000	268,370	Fair
I-15 NB Col-dist. over 2100 South Street	1999	268,370	Fair
I-15 (SR-15) Sbl over Andy AVE.(2250 S.)&	1999	268,370	Fair