Bridge conditions in Utah County, Utah
274 inventoried bridges · 3 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 274 bridges in Utah County: 101 rated good, 170 fair, and 3 poor.
- 3 of the 274 bridges in Utah County, Utah, are rated in poor condition (1.1%) in the 2025 National Bridge Inventory, as of .
- 101 bridges (36.9%) are rated good and 170 (62.0%) fair.
- The median Utah County bridge was built in 2006.
- The busiest poor-rated bridge is 200 South Street over American Fork Creek (built 1925), carrying about 2,268 vehicles a day.
Good 36.9% · Fair 62.0% · Poor 1.1% of 274 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 |
|---|---|---|---|
| 200 South Street over American Fork Creek | 1925 | 2,268 | Poor |
| 400 East Street over American Fork Creek | 1975 | 1,260 | Poor |
| Bennie Creek Road over Thistle Creek | 2005 | 252 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-15NB (SR-15) over American Fork Creek | 2011 | 209,636 | Fair |
| I-15NB (SR-15) over 100 E. in AMERICAN FORK | 2011 | 209,636 | Good |
| I-15NB (SR-15) over 300 West Street | 2011 | 209,636 | Fair |
| I-15SB (SR-15) over American Fork Creek | 2011 | 209,636 | Good |
| I-15SB (SR-15) over 100 E. in AMERICAN FORK | 2011 | 209,636 | Good |
| I-15 (SR-15) Sbl over 300 West Street | 2011 | 209,636 | Fair |
| I-15NB (SR-15) over SR-114 Geneva Road | 2011 | 203,678 | Fair |
| I-15NB (SR-15) over 1600 No.st. Int.x-rd. | 2011 | 203,678 | Good |
| I-15SB (SR-15) over SR-114 Geneva Road | 2011 | 203,678 | Fair |
| I-15SB (SR-15) over 1600 No.st.int.x-rd. | 2011 | 203,678 | Fair |
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.