Home › Tennessee › Rhea County › SR 68 over Tennessee River

SR 68 over Tennessee River

Rhea County, Tennessee · rated Fair in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

SR 68 over Tennessee River in Rhea County, Tennessee, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1956 and reconstructed in 2005, making it 69 years old at the 2025 inventory.
It carries about 5,270 vehicles a day (traffic count year 2021).
It is one of 71 of the 100 inventoried bridges in Rhea County rated fair (71.0%); 6 (6.0%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Continuous steel girder and floorbeam
Length	about 2,359 ft
Location	on Watts Bar Dam
NBI structure number	72SR0680009
Condition class	Fair

Source: FHWA National Bridge Inventory, 2025 data as reported by the Tennessee department of transportation.

Bridge	Built	Vehicles/day	Condition
Fap 29 over Richland Creek	1960	23,414	Fair
Fap 29 over Richland Creek	1960	23,414	Fair
Fap 29 over Richland Creek Overflow	2007	23,414	Good
Fap 29 over Richland Creek Overflow	2007	23,414	Fair
Fap 29 over Branch	1960	21,072	Fair
Fap 29 over Oak Hill Rd	2002	16,192	Fair