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I24 WB Rp to I124N over I24 WB Rp to I124N/A660

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

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

I24 WB Rp to I124N over I24 WB Rp to I124N/A660 in Hamilton County, Tennessee, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1961 and reconstructed in 1990, making it 64 years old at the 2025 inventory.
It carries about 105,057 vehicles a day (traffic count year 2021).
Its listed owner is the state highway agency.
It is one of 238 of the 464 inventoried bridges in Hamilton County rated fair (51.3%); 28 (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 stringer or multi-beam girder
Length	about 216 ft
Location	.1 M E of I124 Jct
NBI structure number	33I00240018
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I75 over South Chickamauga Creek	1960	137,904	Good
I75 350029M over CSX Railroad	1960	137,904	Fair
I75 Rp over Small Branch	1960	137,904	Good
I75 over E.brainard Rd (SR 320)	1960	120,984	Fair
I75 Rp over Small Branch	1960	120,984	Good
I24 Exit Rp Fr Wbl over Small Branch	1960	115,412	Fair