Lincoln County Bridge Report Card
Lincoln County scores 53 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Lincoln County, Oregon
Lincoln County has 190 bridges in the National Bridge Inventory, with 16 rated poor and 31 rated scour-critical. Its poor-condition share of 8.4% is above the 5.1% statewide average. Poor-condition bridges carry about 64,401 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Lincoln County a Bridge Condition Exposure Score of 53/100 (F). The county has 190 bridges in the National Bridge Inventory, including 16 in poor condition and 31 rated scour-critical. Poor-condition bridges carry about 64,401 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 | 8.4% | 16.8 |
| Poor-condition traffic exposure | 25 | 11.5% of measured traffic | 8.6 |
| Scour-critical bridge share | 20 | 16.3% | 20.0 |
| Average age vs national baseline | 10 | 51 years vs 48 nationally | 1.3 |
| Traffic-data completeness | 5 | 559,941 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 | 8.4% |
| State Poor-Condition Share | 5.1% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 16.3% |
| Average Bridge Age | 51 years |
| Poor-Condition Traffic Exposure | 64,401 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Lincoln County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Or 18 (hwy 39) over Salmon River | Poor condition + traffic exposure | Poor | 7,215 | 1930 |
| Logsden Road over Big Rock Creek | Poor condition + traffic exposure | Poor | 331 | 1958 |
| HWY 180 over Yaquina River | Poor condition + traffic exposure | Poor | 206 | 1941 |
| Elk City Road over Big Elk Creek | Poor condition + traffic exposure | Poor | 200 | 1958 |
| Johnson Street over Bear Creek | Poor condition + traffic exposure | Poor | 91 | 2000 |
| Us101 (hwy 9) over Yaquina Bay | Poor condition + traffic exposure | Poor | 20,207 | 1934 |
| US 20 (hwy 33) over Beaver Creek | Poor condition + traffic exposure | Poor | 13,994 | 1953 |
| US 20 (hwy 33) over Tumtum River | Poor condition + traffic exposure | Poor | 6,930 | 1989 |
| Old US 20- HWY 033 over W Olalla Slough | Poor condition + traffic exposure | Poor | 6,800 | 1936 |
| Or 229 (hwy 181) over Depot Creek | Poor condition + traffic exposure | Poor | 3,605 | 1963 |
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.