Delta County Bridge Report Card
Delta County scores 81 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Delta County, Colorado
Delta County has 64 bridges in the National Bridge Inventory, with 2 rated poor and 4 rated scour-critical. Its poor-condition share of 3.1% is at or below the 4.6% statewide average. Poor-condition bridges carry about 278 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Delta County a Bridge Condition Exposure Score of 81/100 (B). The county has 64 bridges in the National Bridge Inventory, including 2 in poor condition and 4 rated scour-critical. Poor-condition bridges carry about 278 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 | 3.1% | 6.2 |
| Poor-condition traffic exposure | 25 | 0.2% of measured traffic | 0.2 |
| Scour-critical bridge share | 20 | 6.2% | 12.5 |
| Average age vs national baseline | 10 | 39 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 112,107 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 | 3.1% |
| State Poor-Condition Share | 4.6% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 6.2% |
| Average Bridge Age | 39 years |
| Poor-Condition Traffic Exposure | 278 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Delta County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| CR J25 (fairview) over Tongue Creek | Poor condition + traffic exposure | Poor | 267 | 1984 |
| County Road B over Dry Creek | Poor condition + traffic exposure | Poor | 11 | 1986 |
| SH 65 Ml over Gunnison River | Scour-critical foundation rating | Fair | 7,000 | 1980 |
| US 50 Ml Ebnd over Gunnison River | Scour-critical foundation rating | Fair | 6,500 | 1966 |
| Grand Avenue over North Fork Gunnison Rvr | Scour-critical foundation rating | Fair | 2,165 | 1955 |
| US 50 Ml over Wells Gulch | High traffic | Fair | 9,800 | 1955 |
| US 50 Ml over Point Creek | High traffic | Fair | 9,300 | 1977 |
| US 50 Ml Wbnd over Gunnison River | High traffic | Fair | 6,500 | 1992 |
| SH 65 Ml over Surface Creek | High traffic | Fair | 5,700 | 1957 |
| Confluence Dr. over 1st ST And Uprr | High traffic | Good | 5,474 | 2013 |
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.