US Bridges

Nfa A072 over Third Creek

Fair

Knox County, Tennessee · 1.6 M W of SR62 I640 JCT · Structure no. 470A0720001

Built
1942
83 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
1,180
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A072 over Third Creek is a concrete continuous culvert carrying Nfa A072 over Third Creek in Knox County, Tennessee. It was built in 1942, so it is 83 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 1,180 vehicles a day, roughly 2% of them trucks, projected to reach 1,888 by 2040. The structure is 24 ft (7.3 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNfa A072
CrossesThird Creek
Location1.6 M W of SR62 I640 JCT
RouteCity Street 12
CountyKnox County
StateTennessee
Coordinates35.98091, -84.00449
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span11 ft (3.4 m)
Deck width24 ft (7.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,180 (2020)
Projected traffic1,888 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$130,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A072 over Third Creek built?

It was built in 1942, making it 83 years old in 2025.

What condition is Nfa A072 over Third Creek 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 June 2024.

How much traffic does Nfa A072 over Third Creek carry?

About 1,180 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A072 over Third Creek?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.4 m) and a deck 24 ft wide.

Who owns Nfa A072 over Third Creek?

It is owned by the City or Municipal Highway Agency.