US Bridges

I840 over I840 / Franklin RD

Fair

Wilson County, Tennessee · 3.2 MI SW JCT I40 & SR 10 · Structure no. 95SR8400013

Built
1994
31 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
237 ft
3 main spans
Daily traffic
20,977
2021 count
Owner
State
State Highway Agency

About this bridge

I840 over I840 / Franklin RD is a prestressed concrete continuous box beam or girders - single or spread carrying I840 over I840 / Franklin RD in Wilson County, Tennessee. It was built in 1994, so it is 31 years old, younger 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 20,977 vehicles a day, roughly 7% of them trucks, projected to reach 33,563 by 2042. The structure is 237 ft (72.2 m) long and 56 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesI840
CrossesI840 / Franklin RD
Location3.2 MI SW JCT I40 & SR 10
RouteInterstate 840
CountyWilson County
StateTennessee
Coordinates36.17477, -86.35178
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length237 ft (72.2 m)
Longest span101 ft (30.8 m)
Deck width56 ft (17.1 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,977 (2021)
Projected traffic33,563 by 2042
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I840 over I840 / Franklin RD built?

It was built in 1994, making it 31 years old in 2025.

What condition is I840 over I840 / Franklin RD 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 November 2023.

How much traffic does I840 over I840 / Franklin RD carry?

About 20,977 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I840 over I840 / Franklin RD?

The structure is 237 ft (72.2 m) long with a longest span of 101 ft (30.8 m) and a deck 56 ft wide.

Who owns I840 over I840 / Franklin RD?

It is owned by the State Highway Agency.