US Bridges

I40 over I40-RL / Midway Road

Good

Knox County, Tennessee · 1 M NW Frank Merritt LN · Structure no. 47I00400115

Built
1971
54 years old
Condition
Good
inspected December 2024
Type
Tee Beam
Concrete Continuous
Length
173 ft
3 main spans
Daily traffic
84,952
2021 count
Owner
State
State Highway Agency

About this bridge

I40 over I40-RL / Midway Road is a concrete continuous tee beam carrying I40 over I40-RL / Midway Road in Knox County, Tennessee. It was built in 1971, so it is 54 years old, older 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 84,952 vehicles a day, roughly 6% of them trucks, projected to reach 112,765 by 2041. The structure is 173 ft (52.7 m) long and 62 ft wide.

CarriesI40
CrossesI40-RL / Midway Road
Location1 M NW Frank Merritt LN
RouteInterstate 40
Coordinates35.99648, -83.69988
Functional classRural 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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating29.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length173 ft (52.7 m)
Longest span87 ft (26.5 m)
Deck width62 ft (18.9 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic84,952 (2021)
Projected traffic112,765 by 2041
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I40 over I40-RL / Midway Road built?

It was built in 1971, making it 54 years old in 2025.

What condition is I40 over I40-RL / Midway Road 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 December 2024.

How much traffic does I40 over I40-RL / Midway Road carry?

About 84,952 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I40 over I40-RL / Midway Road?

The structure is 173 ft (52.7 m) long with a longest span of 87 ft (26.5 m) and a deck 62 ft wide.

Who owns I40 over I40-RL / Midway Road?

It is owned by the State Highway Agency.