US Bridges

I40 over I40 / Buckingham Rd.

Fair

Knox County, Tennessee · .4 M SE of SR1 · Structure no. 47I00400023

Built
1962
63 years old, rebuilt 2002
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete Continuous
Length
128 ft
3 main spans
Daily traffic
179,856
2021 count
Owner
State
State Highway Agency

About this bridge

I40 over I40 / Buckingham Rd. is a concrete continuous tee beam carrying I40 over I40 / Buckingham Rd. in Knox County, Tennessee. It was built in 1962 and reconstructed in 2002, so it is 63 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 179,856 vehicles a day, roughly 6% of them trucks, projected to reach 338,384 by 2041. The structure is 128 ft (39 m) long and 119 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesI40
CrossesI40 / Buckingham Rd.
Location.4 M SE of SR1
RouteInterstate 40
CountyKnox County
StateTennessee
Coordinates35.92973, -84.0371
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length128 ft (39 m)
Longest span49 ft (15 m)
Deck width119 ft (36.2 m)
Roadway width117 ft (35.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic179,856 (2021)
Projected traffic338,384 by 2041
Trucks6%
Lanes on structure10
Traffic directionTwo-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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.7 million (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I40 over I40 / Buckingham Rd. built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2002.

What condition is I40 over I40 / Buckingham 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 October 2024.

How much traffic does I40 over I40 / Buckingham Rd. carry?

About 179,856 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I40 over I40 / Buckingham Rd.?

The structure is 128 ft (39 m) long with a longest span of 49 ft (15 m) and a deck 119 ft wide.

Who owns I40 over I40 / Buckingham Rd.?

It is owned by the State Highway Agency.