US Bridges

I24 over Raulston Branch

Fair

Marion County, Tennessee · 2 MI S of SR27 · Structure no. 58I00240029

Built
1965
60 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
36,821
2021 count
Owner
State
State Highway Agency

About this bridge

I24 over Raulston Branch is a concrete continuous culvert carrying I24 over Raulston Branch in Marion County, Tennessee. It was built in 1965, so it is 60 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 36,821 vehicles a day, roughly 7% of them trucks, projected to reach 52,933 by 2041. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI24
CrossesRaulston Branch
Location2 MI S of SR27
RouteInterstate 24
CountyMarion County
StateTennessee
Coordinates35.04643, -85.7035
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,821 (2021)
Projected traffic52,933 by 2041
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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$355,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I24 over Raulston Branch built?

It was built in 1965, making it 60 years old in 2025.

What condition is I24 over Raulston Branch 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 July 2024.

How much traffic does I24 over Raulston Branch carry?

About 36,821 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I24 over Raulston Branch?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns I24 over Raulston Branch?

It is owned by the State Highway Agency.