US Bridges

Nfa 2422 (sa 4707) over Hickory Creek

Good

Knox County, Tennessee · Buttermilk Rd-Near CO Li- · Structure no. 47024220003

Built
1945
80 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
2,428
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2422 (sa 4707) over Hickory Creek is a concrete continuous culvert carrying Nfa 2422 (sa 4707) over Hickory Creek in Knox County, Tennessee. It was built in 1945, so it is 80 years old, older 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 2,428 vehicles a day, roughly 3% of them trucks, projected to reach 2,752 by 2040. The structure is 37 ft (11.3 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNfa 2422 (sa 4707)
CrossesHickory Creek
LocationButtermilk Rd-Near CO Li-
RouteCounty Highway 2422
Coordinates35.88873, -84.2458
Functional classUrban Collector

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span12 ft (3.7 m)
Deck width35 ft (10.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,428 (2021)
Projected traffic2,752 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 2422 (sa 4707) over Hickory Creek built?

It was built in 1945, making it 80 years old in 2025.

What condition is Nfa 2422 (sa 4707) over Hickory 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 May 2024.

How much traffic does Nfa 2422 (sa 4707) over Hickory Creek carry?

About 2,428 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2422 (sa 4707) over Hickory Creek?

The structure is 37 ft (11.3 m) long with a longest span of 12 ft (3.7 m) and a deck 35 ft wide.

Who owns Nfa 2422 (sa 4707) over Hickory Creek?

It is owned by the County Highway Agency.