US Bridges

I40 over Branch

Good

Wilson County, Tennessee · 1.7 M E JCT I40&SR840 · Structure no. 95I00400059

Built
2002
23 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete Continuous
Length
66 ft
3 main spans
Daily traffic
80,356
2021 count
Owner
State
State Highway Agency

About this bridge

I40 over Branch is a concrete continuous culvert carrying I40 over Branch in Wilson County, Tennessee. It was built in 2002, so it is 23 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 80,356 vehicles a day, roughly 7% of them trucks, projected to reach 120,352 by 2040. The structure is 66 ft (20.1 m) long. If it were closed, the detour would be 19.9 mi (32 km).

CarriesI40
CrossesBranch
Location1.7 M E JCT I40&SR840
RouteInterstate 40
Coordinates36.1824, -86.32886
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.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80,356 (2021)
Projected traffic120,352 by 2040
Trucks7%
Lanes on structure1
Traffic directionOne-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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I40 over Branch built?

It was built in 2002, making it 23 years old in 2025.

What condition is I40 over 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 I40 over Branch carry?

About 80,356 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I40 over Branch?

The structure is 66 ft (20.1 m) long with a longest span of 15 ft (4.6 m).

Who owns I40 over Branch?

It is owned by the State Highway Agency.