US Bridges

I24 over Hickory ST (4981)

Fair

Hamilton County, Tennessee · .2 MI from SR27 · Structure no. 33I00240037

Built
1961
64 years old, rebuilt 1987
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
134 ft
3 main spans
Daily traffic
104,175
2021 count
Owner
State
State Highway Agency

About this bridge

I24 over Hickory ST (4981) is a steel continuous stringer/multi-beam or girder carrying I24 over Hickory ST (4981) 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 104,175 vehicles a day, roughly 6% of them trucks, projected to reach 180,848 by 2040. The structure is 134 ft (40.8 m) long and 126 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesI24
CrossesHickory ST (4981)
Location.2 MI from SR27
RouteInterstate 24
CountyHamilton County
StateTennessee
Coordinates35.0185, -85.28803
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 rating57.5 US tons
Inventory rating33.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length134 ft (40.8 m)
Longest span64 ft (19.5 m)
Deck width126 ft (38.4 m)
Roadway width122 ft (37.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic104,175 (2021)
Projected traffic180,848 by 2040
Trucks6%
Lanes on structure7
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 (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I24 over Hickory ST (4981) built?

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

What condition is I24 over Hickory ST (4981) 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 Hickory ST (4981) carry?

About 104,175 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I24 over Hickory ST (4981)?

The structure is 134 ft (40.8 m) long with a longest span of 64 ft (19.5 m) and a deck 126 ft wide.

Who owns I24 over Hickory ST (4981)?

It is owned by the State Highway Agency.