US Bridges

I275 Ll over I275-SB / Oldham Ave.

FairPosted for load

Knox County, Tennessee · S. of Coster Yards · Structure no. 47I02750008

Built
1960
65 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
145 ft
4 main spans
Daily traffic
60,703
2021 count
Owner
State
State Highway Agency

About this bridge

I275 Ll over I275-SB / Oldham Ave. is a concrete tee beam carrying I275 Ll over I275-SB / Oldham Ave. in Knox County, Tennessee. It was built in 1960, so it is 65 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. Its operating status is: posted for load restriction.

It carries about 60,703 vehicles a day, roughly 6% of them trucks, projected to reach 109,856 by 2041. The structure is 145 ft (44.2 m) long and 46 ft wide.

CarriesI275 Ll
CrossesI275-SB / Oldham Ave.
LocationS. of Coster Yards
RouteInterstate 275
Coordinates35.98125, -83.93797
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20.4 US tons
Inventory rating16.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length145 ft (44.2 m)
Longest span41 ft (12.6 m)
Deck width46 ft (14 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60,703 (2021)
Projected traffic109,856 by 2041
Trucks6%
Lanes on structure3
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$452,000 (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I275 Ll over I275-SB / Oldham Ave. built?

It was built in 1960, making it 65 years old in 2025.

What condition is I275 Ll over I275-SB / Oldham Ave. 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 October 2024.

How much traffic does I275 Ll over I275-SB / Oldham Ave. carry?

About 60,703 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I275 Ll over I275-SB / Oldham Ave.?

The structure is 145 ft (44.2 m) long with a longest span of 41 ft (12.6 m) and a deck 46 ft wide.

Who owns I275 Ll over I275-SB / Oldham Ave.?

It is owned by the State Highway Agency.