US Bridges

Nfa G306 over East Towne Rd. W. / I640

Fair

Knox County, Tennessee · 1.8 M NW of I640-I40 JCT · Structure no. 47I06400023

Built
1981
44 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
226 ft
2 main spans
Daily traffic
10,420
2020 count
Owner
State
State Highway Agency

About this bridge

Nfa G306 over East Towne Rd. W. / I640 is a concrete continuous box beam or girders - multiple carrying Nfa G306 over East Towne Rd. W. / I640 in Knox County, Tennessee. It was built in 1981, so it is 44 years old, younger 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 10,420 vehicles a day, roughly 6% of them trucks, projected to reach 16,672 by 2042. The structure is 226 ft (68.9 m) long and 59 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa G306
CrossesEast Towne Rd. W. / I640
Location1.8 M NW of I640-I40 JCT
RouteCity Street 306
CountyKnox County
StateTennessee
Coordinates36.03087, -83.87985
Functional classUrban Local

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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.6 US tons
Inventory rating37.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length226 ft (68.9 m)
Longest span118 ft (36 m)
Deck width59 ft (17.9 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,420 (2020)
Projected traffic16,672 by 2042
Trucks6%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

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 Nfa G306 over East Towne Rd. W. / I640 built?

It was built in 1981, making it 44 years old in 2025.

What condition is Nfa G306 over East Towne Rd. W. / I640 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 April 2024.

How much traffic does Nfa G306 over East Towne Rd. W. / I640 carry?

About 10,420 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Nfa G306 over East Towne Rd. W. / I640?

The structure is 226 ft (68.9 m) long with a longest span of 118 ft (36 m) and a deck 59 ft wide.

Who owns Nfa G306 over East Towne Rd. W. / I640?

It is owned by the State Highway Agency.