Phillips County Bridge Report Card
Phillips County scores 45 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Phillips County, Montana
Phillips County has 101 bridges in the National Bridge Inventory, with 22 rated poor and 3 rated scour-critical. Its poor-condition share of 21.8% is above the 7.4% statewide average. Poor-condition bridges carry about 3,712 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Phillips County a Bridge Condition Exposure Score of 45/100 (F). The county has 101 bridges in the National Bridge Inventory, including 22 in poor condition and 3 rated scour-critical. Poor-condition bridges carry about 3,712 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 | 21.8% | 40.0 |
| Poor-condition traffic exposure | 25 | 9.4% of measured traffic | 7.1 |
| Scour-critical bridge share | 20 | 3.0% | 5.9 |
| Average age vs national baseline | 10 | 52 years vs 48 nationally | 1.9 |
| Traffic-data completeness | 5 | 39,379 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 | 21.8% |
| State Poor-Condition Share | 7.4% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 3.0% |
| Average Bridge Age | 52 years |
| Poor-Condition Traffic Exposure | 3,712 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Phillips County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Youth Ranch RD over Whitewater Creek 110 | Poor condition + traffic exposure | Poor | 100 | 1977 |
| S 243 over Whitewater Creek | Poor condition + traffic exposure | Poor | 39 | 1976 |
| Road 101 over Duval Coulee | Poor condition | Poor | 0 | 2006 |
| IRR - US 2 over Drainage | Poor condition + traffic exposure | Poor | 1,351 | 1973 |
| IRR - US 191 over Wild Horse Creek | Poor condition + traffic exposure | Poor | 395 | 1940 |
| IRR - US 191 over Wild Horse Creek | Poor condition + traffic exposure | Poor | 395 | 1941 |
| IRR BIA Route 8 over Peoples Creek | Poor condition + traffic exposure | Poor | 200 | 1976 |
| County RD 244 over Beaver Creek 132 | Poor condition + traffic exposure | Poor | 100 | 1915 |
| Alkali RD over Alkali Creek 001 | Poor condition + traffic exposure | Poor | 100 | 1920 |
| Stage RD over Wild Horse Creek 023 | Poor condition + traffic exposure | Poor | 100 | 1925 |
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.