Grundy County Bridge Report Card
Grundy County scores 94 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Grundy County, Tennessee
Grundy County has 82 bridges in the National Bridge Inventory, with 0 rated poor and 1 rated scour-critical. Its poor-condition share of 0.0% is at or below the 4.4% statewide average.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Grundy County a Bridge Condition Exposure Score of 94/100 (A). The county has 82 bridges in the National Bridge Inventory, including 0 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 0 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 | 0.0% | 0.0 |
| Poor-condition traffic exposure | 25 | 0.0% of measured traffic | 0.0 |
| Scour-critical bridge share | 20 | 1.2% | 2.4 |
| Average age vs national baseline | 10 | 56 years vs 48 nationally | 3.4 |
| Traffic-data completeness | 5 | 264,645 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 | 0.0% |
| State Poor-Condition Share | 4.4% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 1.2% |
| Average Bridge Age | 56 years |
| Poor-Condition Traffic Exposure | 0 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Grundy County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Fas 50 over Elk River | Scour-critical foundation rating | Fair | 1,872 | 1956 |
| I24 over Patton Creek | High traffic | Fair | 43,653 | 2007 |
| I24 over Patton Creek | High traffic | Fair | 43,653 | 2007 |
| I24 over Elk River | High traffic | Fair | 43,653 | 2007 |
| I24 over Elk River | High traffic | Fair | 43,653 | 2007 |
| Fas 50 over Sr-50 / I-24 | High traffic | Good | 5,966 | 1958 |
| Fap 50 over Elk River | High traffic | Fair | 5,966 | 1967 |
| Fap 50 over Elk River | High traffic | Fair | 5,966 | 1993 |
| Fap 108 over Berner Creek | High traffic | Good | 3,971 | 1950 |
| Fap 108 over Ranger Creek | High traffic | Fair | 3,869 | 1945 |
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.