Bridge conditions in Weber County, Utah
129 inventoried bridges · 9 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 129 bridges in Weber County: 21 rated good, 99 fair, and 9 poor.
- 9 of the 129 bridges in Weber County, Utah, are rated in poor condition (7.0%) in the 2025 National Bridge Inventory, as of .
- 21 bridges (16.3%) are rated good and 99 (76.7%) fair.
- The median Weber County bridge was built in 1975.
- The busiest poor-rated bridge is I-84 (SR-84) Wbl over 4400 South Street (built 1967), carrying about 22,044 vehicles a day.
Good 16.3% · Fair 76.7% · Poor 7.0% of 129 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-84 (SR-84) Wbl over 4400 South Street | 1967 | 22,044 | Poor |
| I-84 (SR-84) Ebl over US-89 (SR-89) Nbl & Sbl | 1967 | 18,995 | Poor |
| 4400 South Street over I-15 (SR-15) NBL and SBL | 1966 | 9,768 | Poor |
| SR-39 12TH Street over Weber River | 1970 | 7,420 | Poor |
| Parker Drive-ogden over Weber River | 1965 | 6,300 | Poor |
| County Road over North Fork Ogden River | 1972 | 1,000 | Poor |
| Exchange Road over Weber River | 1970 | 504 | Poor |
| County Road over No.br.so.fk. Ogden River | 1948 | 189 | Poor |
| Road 20077 over South Fork Ogden River | 1954 | 50 | Poor |
Busiest bridges in the county
| 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 |
| I-15 NB over 200 S | 2022 | 115,250 | Good |
| I-15 SB over 200 S | 2020 | 115,250 | Good |
| I-15 (SR-15) Nbl over SR-97 5600 So. Roy | 1966 | 107,360 | Fair |
| I-15 NB (SR-15) over Union Pacific Railroad | 2008 | 98,877 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Utah: Utah bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.