US Bridges

I24 over 4th Ave. (3572)

Fair

Hamilton County, Tennessee · 1.8 MI from SR27 · Structure no. 33I00240039

Built
1961
64 years old, rebuilt 1987
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
153 ft
4 main spans
Daily traffic
98,487
2021 count
Owner
State
State Highway Agency

About this bridge

I24 over 4th Ave. (3572) is a concrete tee beam carrying I24 over 4th Ave. (3572) in Hamilton County, Tennessee. It was built in 1961 and reconstructed in 1987, so it is 64 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 98,487 vehicles a day, roughly 6% of them trucks, projected to reach 157,579 by 2042. The structure is 153 ft (46.6 m) long and 114 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesI24
Crosses4th Ave. (3572)
Location1.8 MI from SR27
RouteInterstate 24
Coordinates35.01643, -85.28073
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating29.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length153 ft (46.6 m)
Longest span46 ft (14 m)
Deck width114 ft (34.7 m)
Roadway width112 ft (34.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic98,487 (2021)
Projected traffic157,579 by 2042
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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$3.4 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I24 over 4th Ave. (3572) built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1987.

What condition is I24 over 4th Ave. (3572) in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does I24 over 4th Ave. (3572) carry?

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

How long is I24 over 4th Ave. (3572)?

The structure is 153 ft (46.6 m) long with a longest span of 46 ft (14 m) and a deck 114 ft wide.

Who owns I24 over 4th Ave. (3572)?

It is owned by the State Highway Agency.