US Bridges

I75 Ll over Emory Rd.

Good

Knox County, Tennessee · .7 M N of Conner RD · Structure no. 47I00750050

Built
1969
56 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
185 ft
4 main spans
Daily traffic
57,022
2021 count
Owner
State
State Highway Agency

About this bridge

I75 Ll over Emory Rd. is a prestressed concrete continuous stringer/multi-beam or girder carrying I75 Ll over Emory Rd. in Knox County, Tennessee. It was built in 1969, so it is 56 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 57,022 vehicles a day, roughly 6% of them trucks, projected to reach 71,856 by 2041. The structure is 185 ft (56.4 m) long and 40 ft wide.

CarriesI75 Ll
CrossesEmory Rd.
Location.7 M N of Conner RD
RouteInterstate 75
Coordinates36.0484, -84.00075
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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length185 ft (56.4 m)
Longest span51 ft (15.5 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic57,022 (2021)
Projected traffic71,856 by 2041
Trucks6%
Lanes on structure2
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 I75 Ll over Emory Rd. built?

It was built in 1969, making it 56 years old in 2025.

What condition is I75 Ll over Emory Rd. 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 January 2025.

How much traffic does I75 Ll over Emory Rd. carry?

About 57,022 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I75 Ll over Emory Rd.?

The structure is 185 ft (56.4 m) long with a longest span of 51 ft (15.5 m) and a deck 40 ft wide.

Who owns I75 Ll over Emory Rd.?

It is owned by the State Highway Agency.