US Bridges

I24 over Sou Rwy (abandoned)

Poor

Hamilton County, Tennessee · 1.8 MI from SR27 · Structure no. 33I00240041

Built
1963
62 years old, rebuilt 1987
Condition
Poor
inspected September 2024
Type
Tee Beam
Concrete
Length
112 ft
3 main spans
Daily traffic
98,487
2021 count
Owner
State
State Highway Agency

About this bridge

I24 over Sou Rwy (abandoned) is a concrete tee beam carrying I24 over Sou Rwy (abandoned) in Hamilton County, Tennessee. It was built in 1963 and reconstructed in 1987, so it is 62 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 98,487 vehicles a day, roughly 6% of them trucks, projected to reach 199,184 by 2041. The structure is 112 ft (34.1 m) long and 136 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesI24
CrossesSou Rwy (abandoned)
Location1.8 MI from SR27
RouteInterstate 24
Coordinates35.01492, -85.27575
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating27.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span42 ft (12.8 m)
Deck width136 ft (41.5 m)
Roadway width135 ft (41 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic98,487 (2021)
Projected traffic199,184 by 2041
Trucks6%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3 million (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I24 over Sou Rwy (abandoned) built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1987.

What condition is I24 over Sou Rwy (abandoned) in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does I24 over Sou Rwy (abandoned) carry?

About 98,487 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I24 over Sou Rwy (abandoned)?

The structure is 112 ft (34.1 m) long with a longest span of 42 ft (12.8 m) and a deck 136 ft wide.

Who owns I24 over Sou Rwy (abandoned)?

It is owned by the State Highway Agency.