Bridge conditions in Smith County, Tennessee
202 inventoried bridges · 19 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 202 bridges in Smith County: 114 rated good, 69 fair, and 19 poor.
- 19 of the 202 bridges in Smith County, Tennessee, are rated in poor condition (9.4%) in the 2025 National Bridge Inventory, as of .
- 114 bridges (56.4%) are rated good and 69 (34.2%) fair.
- The median Smith County bridge was built in 1970.
- The busiest poor-rated bridge is I40 349207A over CSX RR & County Road (built 1962), carrying about 44,898 vehicles a day.
Good 56.4% · Fair 34.2% · Poor 9.4% of 202 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I40 349207A over CSX RR & County Road | 1962 | 44,898 | Poor |
| I40 over Bolling Branch & Priv. R | 1962 | 44,898 | Poor |
| I40 over Caney Fork River | 1962 | 44,898 | Poor |
| I40 over Caney Fork River | 1962 | 44,898 | Poor |
| I40 over Caney Fork River | 1962 | 44,898 | Poor |
| Fau 5696 over Cumberland River | 1934 | 6,931 | Poor |
| Fap 401 (SR 24) over Hogan Creek | 1940 | 6,189 | Poor |
| Fap 401 (SR 24) over Roundlick Creek | 1940 | 4,375 | Poor |
| Fap 401 (SR 24) over Branch | 1938 | 4,375 | Poor |
| Fas 141 over SR 141 / I40 | 1963 | 802 | Poor |
| Fas 141 over Bolling Branch | 1949 | 713 | Poor |
| Nfa 1068 (sa 8003) over Pig Creek | 1950 | 503 | Poor |
| Nfa 2078 (sa 8008) over Denny Branch | 1977 | 345 | Poor |
| Nfa 1068 (sa 8003) over Brush Creek | 1935 | 337 | Poor |
| Nfa A039 over Lankford Branch | 1960 | 210 | Poor |
| Nfa 2084 (sa 8016) over Branch | 1919 | 179 | Poor |
| Nfa A381 over Bluff Creek | 1920 | 110 | Poor |
| Nfa 2076 (sa 8013) over Little Indian Creek | 1927 | 50 | Poor |
| Nfa A028 over Peyton Creek | 1930 | 50 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I40 over Mulherrin Crk.&new Mid.r | 1963 | 45,338 | Good |
| I40 over Mulherrin Crk.&new Mid.r | 1963 | 45,338 | Fair |
| I40 over Dry Creek | 1963 | 45,338 | Good |
| I40 over Dry Creek | 1963 | 45,338 | Good |
| I40 over I40 / SR 53 | 1962 | 45,338 | Fair |
| I40 over I40 / SR 53 | 1962 | 45,338 | Good |
| I40 over I40 / SR 53 | 1963 | 45,338 | Good |
| I40 over Branch | 1963 | 44,993 | Good |
| I40 over I40 / Co. Rd. | 1963 | 44,993 | Fair |
| I40 over I40 / Co. Rd. | 1963 | 44,993 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Tennessee: Tennessee bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.