US Bridges

I75 Lf LN over SR 9

Fair

Campbell County, Tennessee · In Vellico · Structure no. 07I00750022

Built
1964
61 years old, rebuilt 1982
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
204 ft
4 main spans
Daily traffic
21,912
2021 count
Owner
State
State Highway Agency

About this bridge

I75 Lf LN over SR 9 is a concrete tee beam carrying I75 Lf LN over SR 9 in Campbell County, Tennessee. It was built in 1964 and reconstructed in 1982, so it is 61 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 21,912 vehicles a day, roughly 6% of them trucks, projected to reach 35,059 by 2042. The structure is 204 ft (62.2 m) long and 44 ft wide.

CarriesI75 Lf LN
CrossesSR 9
LocationIn Vellico
RouteInterstate 75
Coordinates36.57897, -84.11142
Functional classRural 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.5 US tons
Inventory rating36.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length204 ft (62.2 m)
Longest span57 ft (17.4 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,912 (2021)
Projected traffic35,059 by 2042
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
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 Lf LN over SR 9 built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1982.

What condition is I75 Lf LN over SR 9 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 Lf LN over SR 9 carry?

About 21,912 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I75 Lf LN over SR 9?

The structure is 204 ft (62.2 m) long with a longest span of 57 ft (17.4 m) and a deck 44 ft wide.

Who owns I75 Lf LN over SR 9?

It is owned by the State Highway Agency.