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Co. Rd. 7TH St. over I-15 (SR-15) Nbl & S

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

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

Co. Rd. 7TH St. over I-15 (SR-15) Nbl & S in Weber County, Utah, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1968 and reconstructed in 2008, making it 57 years old at the 2025 inventory.
It carries about 5,000 vehicles a day (traffic count year 2012).
Its listed owner is the state highway agency.
It is one of 99 of the 129 inventoried bridges in Weber County rated fair (76.7%); 9 (7.0%) 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 182 ft
Location	0.5 Mi.No.of 12th St.Int.
NBI structure number	0F 78
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-97 over Three Gates Trail	2024	140,000	Good
I-15 (SR-15) Nbl over Union Pacific Railroad	1966	138,457	Fair
I-15 (SR-15) Sbl over SR-97 5600 So. Roy	1966	138,457	Fair
I-15 (SR-15) Sbl over UPRR Hill Afb Branch	1966	138,457	Fair
I-15NB (SR-15) over UPRR and UTA TRACKS	2008	120,588	Fair
I-15 SB (SR-15) over UPRR & Uta	2009	120,588	Good