US Bridges

I840 Rp O over I840 Rp O / I65

Good

Williamson County, Tennessee · 0.5 M E JCT SR106 & I840 · Structure no. 94I00650045

Built
2001
24 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
346 ft
3 main spans
Daily traffic
41,539
2021 count
Owner
State
State Highway Agency

About this bridge

I840 Rp O over I840 Rp O / I65 is a steel continuous stringer/multi-beam or girder carrying I840 Rp O over I840 Rp O / I65 in Williamson County, Tennessee. It was built in 2001, so it is 24 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 41,539 vehicles a day, roughly 7% of them trucks, projected to reach 5,776 by 2041. The structure is 346 ft (105.6 m) long and 44 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesI840 Rp O
CrossesI840 Rp O / I65
Location0.5 M E JCT SR106 & I840
RouteInterstate 840
CountyWilliamson County
StateTennessee
Coordinates35.81908, -86.84116
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating28.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length346 ft (105.6 m)
Longest span134 ft (40.8 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,539 (2021)
Projected traffic5,776 by 2041
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I840 Rp O over I840 Rp O / I65 built?

It was built in 2001, making it 24 years old in 2025.

What condition is I840 Rp O over I840 Rp O / I65 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 March 2023.

How much traffic does I840 Rp O over I840 Rp O / I65 carry?

About 41,539 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I840 Rp O over I840 Rp O / I65?

The structure is 346 ft (105.6 m) long with a longest span of 134 ft (40.8 m) and a deck 44 ft wide.

Who owns I840 Rp O over I840 Rp O / I65?

It is owned by the State Highway Agency.