US Bridges

I24 over Lafayette

Fair

Davidson County, Tennessee · I440 -I24 Loop in Nashvil · Structure no. 19I00240097

Built
1985
40 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Single or Spread
Steel
Length
222 ft
1 main span
Daily traffic
148,679
2021 count
Owner
State
State Highway Agency

About this bridge

I24 over Lafayette is a steel box beam or girders - single or spread carrying I24 over Lafayette in Davidson County, Tennessee. It was built in 1985, so it is 40 years old, younger 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 148,679 vehicles a day, roughly 7% of them trucks, projected to reach 237,886 by 2042. The structure is 222 ft (67.7 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesI24
CrossesLafayette
LocationI440 -I24 Loop in Nashvil
RouteInterstate I0024
CountyDavidson County
StateTennessee
Coordinates36.12803, -86.72823
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length222 ft (67.7 m)
Longest span186 ft (56.7 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic148,679 (2021)
Projected traffic237,886 by 2042
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I24 over Lafayette built?

It was built in 1985, making it 40 years old in 2025.

What condition is I24 over Lafayette 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 October 2023.

How much traffic does I24 over Lafayette carry?

About 148,679 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I24 over Lafayette?

The structure is 222 ft (67.7 m) long with a longest span of 186 ft (56.7 m) and a deck 32 ft wide.

Who owns I24 over Lafayette?

It is owned by the State Highway Agency.