US Bridges

I40 over South Fork Creek

Good

Wilson County, Tennessee · .3 M W JCT I40&SR109 · Structure no. 95I00400013

Built
1965
60 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
84,731
2021 count
Owner
State
State Highway Agency

About this bridge

I40 over South Fork Creek is a concrete continuous culvert carrying I40 over South Fork Creek in Wilson 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 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 84,731 vehicles a day, roughly 7% of them trucks, projected to reach 135,570 by 2042. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 19.9 mi (32 km).

CarriesI40
CrossesSouth Fork Creek
Location.3 M W JCT I40&SR109
RouteInterstate 40
Coordinates36.18377, -86.41127
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 protection7 GoodSome minor problems.
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 adequacy4: Meets minimum tolerable limits to be left in place as is
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 spans3
Design loadHS 20 + Mod
Structure length38 ft (11.6 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 traffic84,731 (2021)
Projected traffic135,570 by 2042
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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$577,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I40 over South Fork Creek built?

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

What condition is I40 over South Fork 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 October 2023.

How much traffic does I40 over South Fork Creek carry?

About 84,731 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I40 over South Fork Creek?

The structure is 38 ft (11.6 m) long with a longest span of 10 ft (3 m).

Who owns I40 over South Fork Creek?

It is owned by the State Highway Agency.