Harlan County Bridge Report Card
Harlan County scores 83 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Harlan County, Nebraska
Harlan County has 89 bridges in the National Bridge Inventory, with 5 rated poor and 1 rated scour-critical. Its poor-condition share of 5.6% is at or below the 7.5% statewide average. Poor-condition bridges carry about 548 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Harlan County a Bridge Condition Exposure Score of 83/100 (B). The county has 89 bridges in the National Bridge Inventory, including 5 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 548 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 | 5.6% | 11.2 |
| Poor-condition traffic exposure | 25 | 1.1% of measured traffic | 0.8 |
| Scour-critical bridge share | 20 | 1.1% | 2.2 |
| Average age vs national baseline | 10 | 54 years vs 48 nationally | 2.6 |
| Traffic-data completeness | 5 | 51,023 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 | 5.6% |
| State Poor-Condition Share | 7.5% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 1.1% |
| Average Bridge Age | 54 years |
| Poor-Condition Traffic Exposure | 548 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Harlan County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| D Road over Sappa Creek | Poor condition + traffic exposure | Poor | 75 | 1916 |
| Cornwall ST over Dry Creek | Poor condition + traffic exposure | Poor | 230 | 1924 |
| Coll 7361 over Bnsf Rr 076-579-k | Poor condition + traffic exposure | Poor | 163 | 1935 |
| Q Road over Turkey Creek | Poor condition + traffic exposure | Poor | 40 | 1935 |
| County Highway over Stream | Poor condition + traffic exposure | Poor | 40 | 1937 |
| Us183 over Turkey Creek | High traffic | Good | 3,675 | 1987 |
| Us183 over Stream | High traffic | Good | 3,505 | 1962 |
| Us6/us34 over Dry Creek | High traffic | Good | 2,505 | 1938 |
| Us6/us34 over Spring Creek | High traffic | Fair | 2,505 | 1938 |
| Us6/us34 over Stream | High traffic | Good | 2,505 | 1938 |
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.