US Bridges

I40 over Branch

Fair

Davidson County, Tennessee · 1.8 M NE JCT SR251&I40 · Structure no. 19I00400019

Built
1959
66 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
85,860
2021 count
Owner
State
State Highway Agency

About this bridge

I40 over Branch is a concrete continuous culvert carrying I40 over Branch in Davidson County, Tennessee. It was built in 1959, so it is 66 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 85,860 vehicles a day, roughly 7% of them trucks, projected to reach 131,392 by 2042. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesI40
CrossesBranch
Location1.8 M NE JCT SR251&I40
RouteInterstate 40
CountyDavidson County
StateTennessee
Coordinates36.12687, -86.90217
Functional classUrban 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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
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 spans2
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic85,860 (2021)
Projected traffic131,392 by 2042
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$694,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I40 over Branch built?

It was built in 1959, making it 66 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 October 2023.

How much traffic does I40 over Branch carry?

About 85,860 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I40 over Branch?

The structure is 35 ft (10.7 m) long with a longest span of 11 ft (3.4 m).

Who owns I40 over Branch?

It is owned by the State Highway Agency.