Dickson County Bridge Report Card
Dickson County scores 77 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Dickson County, Tennessee
Dickson County has 242 bridges in the National Bridge Inventory, with 12 rated poor and 4 rated scour-critical. Its poor-condition share of 5.0% is above the 4.4% statewide average. Poor-condition bridges carry about 97,572 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Dickson County a Bridge Condition Exposure Score of 77/100 (C). The county has 242 bridges in the National Bridge Inventory, including 12 in poor condition and 4 rated scour-critical. Poor-condition bridges carry about 97,572 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 | 5.0% | 9.9 |
| Poor-condition traffic exposure | 25 | 11.7% of measured traffic | 8.8 |
| Scour-critical bridge share | 20 | 1.7% | 3.3 |
| Average age vs national baseline | 10 | 50 years vs 48 nationally | 0.9 |
| Traffic-data completeness | 5 | 833,166 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 | 5.0% |
| State Poor-Condition Share | 4.4% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 1.7% |
| Average Bridge Age | 50 years |
| Poor-Condition Traffic Exposure | 97,572 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Dickson County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Fas 46 over Branch | Poor condition + traffic exposure | Poor | 2,242 | 1940 |
| I40 over I40-rl / East Piney Rd. | Poor condition + traffic exposure | Poor | 34,978 | 1963 |
| I40 over I40-ll / East Piney Rd. | Poor condition + traffic exposure | Poor | 34,978 | 1963 |
| Fap 1 over Branch | Poor condition + traffic exposure | Poor | 15,748 | 1939 |
| Fas 46 over Yellow Creek | Poor condition + traffic exposure | Poor | 2,536 | 1956 |
| Fas 46 over Branch | Poor condition + traffic exposure | Poor | 2,242 | 1940 |
| Fas 48 over SR 48 / I40 | Poor condition + traffic exposure | Poor | 2,160 | 1963 |
| Nfa 1854 (sa 2204) over East Fork Piney River | Poor condition + traffic exposure | Poor | 849 | 1960 |
| Nfa 1854 (sa 2204) over East Fork Piney River | Poor condition + traffic exposure | Poor | 849 | 1970 |
| Nfa A278 over Little Turnbull Creek | Poor condition + traffic exposure | Poor | 490 | 1955 |
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.