US Bridges

I75 over Nfa 1268

Fair

Anderson County, Tennessee · 1.83 Mi.From Knox Co.Ln. · Structure no. 01I00750004

Built
1972
53 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
122 ft
3 main spans
Daily traffic
53,108
2021 count
Owner
State
State Highway Agency

About this bridge

I75 over Nfa 1268 is a prestressed concrete stringer/multi-beam or girder carrying I75 over Nfa 1268 in Anderson County, Tennessee. It was built in 1972, so it is 53 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 6 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 53,108 vehicles a day, roughly 6% of them trucks, projected to reach 77,856 by 2041. The structure is 122 ft (37.1 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI75
CrossesNfa 1268
Location1.83 Mi.From Knox Co.Ln.
RouteInterstate 75
CountyAnderson County
StateTennessee
Coordinates36.13906, -84.04348
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating31.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length122 ft (37.1 m)
Longest span51 ft (15.5 m)
Deck width44 ft (13.5 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53,108 (2021)
Projected traffic77,856 by 2041
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 over Nfa 1268 built?

It was built in 1972, making it 53 years old in 2025.

What condition is I75 over Nfa 1268 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 July 2023.

How much traffic does I75 over Nfa 1268 carry?

About 53,108 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I75 over Nfa 1268?

The structure is 122 ft (37.1 m) long with a longest span of 51 ft (15.5 m) and a deck 44 ft wide.

Who owns I75 over Nfa 1268?

It is owned by the State Highway Agency.