US Bridges

I24 over Sycamore Creek

Good

Robertson County, Tennessee · Robertson-Davidson CO LN · Structure no. 74I00240022

Built
1972
53 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
190 ft
3 main spans
Daily traffic
75,818
2021 count
Owner
State
State Highway Agency

About this bridge

I24 over Sycamore Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying I24 over Sycamore Creek in Robertson County, Tennessee. It was built in 1972, so it is 53 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 75,818 vehicles a day, roughly 7% of them trucks, projected to reach 121,309 by 2042. The structure is 190 ft (57.9 m) long and 44 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesI24
CrossesSycamore Creek
LocationRobertson-Davidson CO LN
RouteInterstate I0024
Coordinates36.36949, -86.97088
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating37.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length190 ft (57.9 m)
Longest span63 ft (19.2 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75,818 (2021)
Projected traffic121,309 by 2042
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I24 over Sycamore Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is I24 over Sycamore Creek 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 March 2024.

How much traffic does I24 over Sycamore Creek carry?

About 75,818 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I24 over Sycamore Creek?

The structure is 190 ft (57.9 m) long with a longest span of 63 ft (19.2 m) and a deck 44 ft wide.

Who owns I24 over Sycamore Creek?

It is owned by the State Highway Agency.