US Bridges

I65 over I65 / SR106 & Harpeth Rv

Poor

Williamson County, Tennessee · 3.8 M S JCT SR248&SR106 · Structure no. 94I00650005

Built
1963
62 years old, rebuilt 1979
Condition
Poor
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
194 ft
4 main spans
Daily traffic
94,031
2021 count
Owner
State
State Highway Agency

About this bridge

I65 over I65 / SR106 & Harpeth Rv is a prestressed concrete stringer/multi-beam or girder carrying I65 over I65 / SR106 & Harpeth Rv in Williamson County, Tennessee. It was built in 1963 and reconstructed in 1979, so it is 62 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 94,031 vehicles a day, roughly 7% of them trucks, projected to reach 134,918 by 2041. The structure is 194 ft (59.1 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI65
CrossesI65 / SR106 & Harpeth Rv
Location3.8 M S JCT SR248&SR106
RouteInterstate 65
Coordinates35.80482, -86.85081
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating20 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length194 ft (59.1 m)
Longest span53 ft (16.1 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic94,031 (2021)
Projected traffic134,918 by 2041
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I65 over I65 / SR106 & Harpeth Rv built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1979.

What condition is I65 over I65 / SR106 & Harpeth Rv in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2023.

How much traffic does I65 over I65 / SR106 & Harpeth Rv carry?

About 94,031 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I65 over I65 / SR106 & Harpeth Rv?

The structure is 194 ft (59.1 m) long with a longest span of 53 ft (16.1 m) and a deck 44 ft wide.

Who owns I65 over I65 / SR106 & Harpeth Rv?

It is owned by the State Highway Agency.