US Bridges

I24 over Whittemore Branch

Good

Davidson County, Tennessee · 1 MI NW SR254 · Structure no. 19I00240035

Built
1958
67 years old, rebuilt 1989
Condition
Good
inspected October 2023
Type
Culvert
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
155,629
2021 count
Owner
State
State Highway Agency

About this bridge

I24 over Whittemore Branch is a concrete continuous culvert carrying I24 over Whittemore Branch in Davidson County, Tennessee. It was built in 1958 and reconstructed in 1989, so it is 67 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 155,629 vehicles a day, roughly 7% of them trucks, projected to reach 243,374 by 2042. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 29.8 mi (48 km).

CarriesI24
CrossesWhittemore Branch
Location1 MI NW SR254
RouteInterstate 24
Coordinates36.05539, -86.67519
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic155,629 (2021)
Projected traffic243,374 by 2042
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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$643,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I24 over Whittemore Branch built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1989.

What condition is I24 over Whittemore Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does I24 over Whittemore Branch carry?

About 155,629 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I24 over Whittemore Branch?

The structure is 32 ft (9.8 m) long with a longest span of 12 ft (3.7 m).

Who owns I24 over Whittemore Branch?

It is owned by the State Highway Agency.