US Bridges

I24 Wbl over SR 64

Fair

Coffee County, Tennessee · Beech Grove Exit · Structure no. 16I00240002

Built
1968
57 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
144 ft
3 main spans
Daily traffic
45,739
2021 count
Owner
State
State Highway Agency

About this bridge

I24 Wbl over SR 64 is a prestressed concrete continuous box beam or girders - single or spread carrying I24 Wbl over SR 64 in Coffee County, Tennessee. It was built in 1968, so it is 57 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 45,739 vehicles a day, roughly 7% of them trucks, projected to reach 70,896 by 2039. The structure is 144 ft (44 m) long and 56 ft wide.

Location

Open in Google Maps
CarriesI24 Wbl
CrossesSR 64
LocationBeech Grove Exit
RouteInterstate 24
CountyCoffee County
StateTennessee
Coordinates35.62538, -86.24323
Functional classRural 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length144 ft (44 m)
Longest span63 ft (19.2 m)
Deck width56 ft (17.1 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,739 (2021)
Projected traffic70,896 by 2039
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I24 Wbl over SR 64 built?

It was built in 1968, making it 57 years old in 2025.

What condition is I24 Wbl over SR 64 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 September 2023.

How much traffic does I24 Wbl over SR 64 carry?

About 45,739 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I24 Wbl over SR 64?

The structure is 144 ft (44 m) long with a longest span of 63 ft (19.2 m) and a deck 56 ft wide.

Who owns I24 Wbl over SR 64?

It is owned by the State Highway Agency.