US Bridges

I75 NB to I24 WB over I75 NB

Good

Hamilton County, Tennessee · I-24 I-75 Junction · Structure no. 33I00750095

Built
2020
5 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
219 ft
2 main spans
Daily traffic
110,752
2021 count
Owner
State
State Highway Agency

About this bridge

I75 NB to I24 WB over I75 NB is a prestressed concrete continuous stringer/multi-beam or girder carrying I75 NB to I24 WB over I75 NB in Hamilton County, Tennessee. It was built in 2020, so it is 5 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 110,752 vehicles a day, roughly 7% of them trucks, projected to reach 181,392 by 2041. The structure is 219 ft (66.7 m) long and 65 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI75 NB to I24 WB
CrossesI75 NB
LocationI-24 I-75 Junction
RouteInterstate 75
Coordinates35.0034, -85.21117
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length219 ft (66.7 m)
Longest span118 ft (36.1 m)
Deck width65 ft (19.9 m)
Roadway width63 ft (19.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110,752 (2021)
Projected traffic181,392 by 2041
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 I75 NB to I24 WB over I75 NB built?

It was built in 2020, making it 5 years old in 2025.

What condition is I75 NB to I24 WB over I75 NB 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 July 2024.

How much traffic does I75 NB to I24 WB over I75 NB carry?

About 110,752 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I75 NB to I24 WB over I75 NB?

The structure is 219 ft (66.7 m) long with a longest span of 118 ft (36.1 m) and a deck 65 ft wide.

Who owns I75 NB to I24 WB over I75 NB?

It is owned by the State Highway Agency.