US Bridges

I75 730919X over Frontage Road & Sou Rwy

Fair

Campbell County, Tennessee · 2.76 M.From Anderson Co.L · Structure no. 07I00750008

Built
1961
64 years old, rebuilt 1990
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete Continuous
Length
287 ft
4 main spans
Daily traffic
41,884
2021 count
Owner
State
State Highway Agency

About this bridge

I75 730919X over Frontage Road & Sou Rwy is a concrete continuous tee beam carrying I75 730919X over Frontage Road & Sou Rwy in Campbell County, Tennessee. It was built in 1961 and reconstructed in 1990, so it is 64 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 5 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 41,884 vehicles a day, roughly 6% of them trucks, projected to reach 67,014 by 2042. The structure is 287 ft (87.5 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI75 730919X
CrossesFrontage Road & Sou Rwy
Location2.76 M.From Anderson Co.L
RouteInterstate 75
Coordinates36.272, -84.19945
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length287 ft (87.5 m)
Longest span88 ft (26.8 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,884 (2021)
Projected traffic67,014 by 2042
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I75 730919X over Frontage Road & Sou Rwy built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1990.

What condition is I75 730919X over Frontage Road & Sou Rwy 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 August 2023.

How much traffic does I75 730919X over Frontage Road & Sou Rwy carry?

About 41,884 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I75 730919X over Frontage Road & Sou Rwy?

The structure is 287 ft (87.5 m) long with a longest span of 88 ft (26.8 m) and a deck 44 ft wide.

Who owns I75 730919X over Frontage Road & Sou Rwy?

It is owned by the State Highway Agency.