US Bridges

Nfa A012 over Third Creek

Good

Knox County, Tennessee · 1.6 M W of SR62 I640 JCT · Structure no. 470A0120001

Built
2016
9 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
41 ft
2 main spans
Daily traffic
1,180
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A012 over Third Creek is a concrete culvert carrying Nfa A012 over Third Creek in Knox County, Tennessee. It was built in 2016, so it is 9 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,180 vehicles a day, projected to reach 1,888 by 2040. The structure is 41 ft (12.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa A012
CrossesThird Creek
Location1.6 M W of SR62 I640 JCT
RouteCity Street 12
Coordinates35.97569, -84.00314
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length41 ft (12.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,180 (2020)
Projected traffic1,888 by 2040
Trucks—
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A012 over Third Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is Nfa A012 over Third Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Nfa A012 over Third Creek carry?

About 1,180 vehicles per day (2020 count).

How long is Nfa A012 over Third Creek?

The structure is 41 ft (12.6 m) long with a longest span of 10 ft (3 m).

Who owns Nfa A012 over Third Creek?

It is owned by the City or Municipal Highway Agency.