US Bridges

I24 over SR 8 (US41) Westside Dr.

Fair

Hamilton County, Tennessee · 2 MI S of SR27 · Structure no. 33I00240045

Built
1963
62 years old, rebuilt 1987
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
234 ft
4 main spans
Daily traffic
98,487
2021 count
Owner
State
State Highway Agency

About this bridge

I24 over SR 8 (US41) Westside Dr. is a steel continuous stringer/multi-beam or girder carrying I24 over SR 8 (US41) Westside Dr. 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 fair condition with a lowest component rating of 5 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 199,184 by 2041. The structure is 234 ft (71.3 m) long and 126 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesI24
CrossesSR 8 (US41) Westside Dr.
Location2 MI S of SR27
RouteInterstate 24
Coordinates35.01437, -85.27309
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 alignment7: Better than present minimum criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length234 ft (71.3 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 traffic98,487 (2021)
Projected traffic199,184 by 2041
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$5.9 million (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I24 over SR 8 (US41) Westside Dr. built?

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

What condition is I24 over SR 8 (US41) Westside Dr. 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 SR 8 (US41) Westside Dr. carry?

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

How long is I24 over SR 8 (US41) Westside Dr.?

The structure is 234 ft (71.3 m) long with a longest span of 64 ft (19.5 m) and a deck 126 ft wide.

Who owns I24 over SR 8 (US41) Westside Dr.?

It is owned by the State Highway Agency.