Morgan County Bridge Report Card
Morgan County scores 70 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Morgan County, Utah
Morgan County has 55 bridges in the National Bridge Inventory, with 2 rated poor and 4 rated scour-critical. Its poor-condition share of 3.6% is above the 3.5% statewide average. Poor-condition bridges carry about 28,345 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Morgan County a Bridge Condition Exposure Score of 70/100 (C). The county has 55 bridges in the National Bridge Inventory, including 2 in poor condition and 4 rated scour-critical. Poor-condition bridges carry about 28,345 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.
How the Score Breaks Down
| Factor | Weight | County Value | Penalty |
|---|---|---|---|
| Poor-condition bridge share | 40 | 3.6% | 7.3 |
| Poor-condition traffic exposure | 25 | 5.9% of measured traffic | 4.4 |
| Scour-critical bridge share | 20 | 7.3% | 14.5 |
| Average age vs national baseline | 10 | 56 years vs 48 nationally | 3.4 |
| Traffic-data completeness | 5 | 480,891 measured daily crossings | 0.0 |
Score = 100 minus weighted penalties. The score is a comparative research signal, not an official safety rating. Read the full methodology.
County Comparisons
| County Poor-Condition Share | 3.6% |
| State Poor-Condition Share | 3.5% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 7.3% |
| Average Bridge Age | 56 years |
| Poor-Condition Traffic Exposure | 28,345 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Morgan County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| I-84 (sr-84) Wbl over Weber River And Uprr | Poor condition + traffic exposure | Poor | 19,585 | 1965 |
| I-84 (sr-84) over Weber River | Poor condition + traffic exposure | Poor | 8,760 | 1967 |
| Morgan County Road over East Canyon Creek | Scour-critical foundation rating | Fair | 3,743 | 1952 |
| County Road over Cottonwood Creek | Scour-critical foundation rating | Fair | 1,582 | 1930 |
| County Road over Weber River | Scour-critical foundation rating | Fair | 1,298 | 1961 |
| County Road over Deep Creek | Scour-critical foundation rating | Fair | 1,034 | 1960 |
| I-84 (sr-84) Ebl over Weber River And Uprr | High traffic | Fair | 19,585 | 1965 |
| I-84 (sr-84) Ebl over Sr-167 Int. X-road | High traffic | Fair | 19,585 | 1966 |
| I-84 (sr-84) Wbl over Sr-167 Int. X-road | High traffic | Fair | 19,585 | 1966 |
| I-84 (sr-84) Ebl over Cottonwood Creek | High traffic | Fair | 16,887 | 1966 |
Important safety note
Poor condition does not mean a bridge is unsafe. It means at least one major component has significant deterioration and the bridge is a priority for maintenance, repair, or replacement. Bridges judged unsafe are closed or restricted by transportation agencies.