US Bridges

I40 over Branch

Fair

Humphreys County, Tennessee · 3 M E of Benton CO Line · Structure no. 43I00400005

Built
1964
61 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete Continuous
Length
31 ft
3 main spans
Daily traffic
35,368
2021 count
Owner
State
State Highway Agency

About this bridge

I40 over Branch is a concrete continuous culvert carrying I40 over Branch in Humphreys County, Tennessee. It was built in 1964, so it is 61 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 35,368 vehicles a day, roughly 7% of them trucks, projected to reach 56,589 by 2042. The structure is 31 ft (9.4 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI40
CrossesBranch
Location3 M E of Benton CO Line
RouteInterstate 40
CountyHumphreys County
StateTennessee
Coordinates35.8649, -87.89005
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable 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 spans3
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span8 ft (2.4 m)
Deck width62 ft (19 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,368 (2021)
Projected traffic56,589 by 2042
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 I40 over Branch built?

It was built in 1964, making it 61 years old in 2025.

What condition is I40 over 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 2023.

How much traffic does I40 over Branch carry?

About 35,368 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I40 over Branch?

The structure is 31 ft (9.4 m) long with a longest span of 8 ft (2.4 m) and a deck 62 ft wide.

Who owns I40 over Branch?

It is owned by the State Highway Agency.